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  1. Solution of nonlocal boundary value problems for the heat equation with discontinuous coefficients, in the case of two discontinuity points

    Article • BULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS, March 2025, Buketov Karaganda State University

    Prof. Makhmud A. Sadybekov

  2. ON A SPECTRAL PROBLEM FOR THE LAPLACE OPERATOR WITH MORE GENERAL BOUNDARY CONDITIONS

    Article • Herald of Kazakh-British technical university, December 2024, Kazakh-British Technical University

    Prof. Makhmud A. Sadybekov

  3. Solution of boundary value problems for the heat  equation with a piecewise constant coefficient using the Fourier method

    Article • Kazakh Mathematical Journal, November 2024, Institute of Mathematics and Mathematical Modeling

    Prof. Makhmud A. Sadybekov

  4. Spectral Properties of the Laplace Operator with Variable Dependent Boundary Conditions in a Disk

    Article • Axioms, November 2024, MDPI AG

    Prof. Makhmud A. Sadybekov

  5. Inverse source problem for two-term time-fractional diffusion equation with nonlocal boundary conditions

    Article • Chaos Solitons & Fractals, June 2024, Elsevier

    Prof. Makhmud A. Sadybekov

  6. Preface: Sixth International Conference on Analysis and Applied Mathematics (ICAAM 2022)

    Article • January 2024, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  7. Boundary Value Problems for Differential Equations with a High-Order Derivative in the Boundary Condition

    Article • January 2024, Springer Science + Business Media

    Prof. Makhmud A. Sadybekov

  8. Inverse source problem for multi-term time-fractional diffusion equation with nonlocal boundary conditions

    Article • AIMS Mathematics, January 2024, American Institute of Mathematical Sciences (AIMS)

    Prof. Makhmud A. Sadybekov

  9. On System of Root Vectors of Perturbed Regular Second-Order Differential Operator Not Possessing Basis Property

    Article • Mathematics, October 2023, MDPI AG

    Prof. Makhmud A. Sadybekov

  10. Direct and Inverse Initial Boundary Value Problems for Heat Equation with Non-Classical Boundary Condition

    Article • Lobachevskii Journal of Mathematics, October 2023, Pleiades Publishing Ltd

    Prof. Makhmud A. Sadybekov

  11. Tricomi Problem for Mixed Parabolic–Hyperbolic Equation with Higher Order Boundary Condition

    Article • Bulletin of the Iranian Mathematical Society, June 2023, Springer Science + Business Media

    Prof. Makhmud A. Sadybekov

  12. About the conference ICAAM 2022. Preface

    Article • BULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS, March 2023, Buketov Karaganda State University

    Prof. Makhmud A. Sadybekov

  13. Correct and Stable Algorithm for Numerical Solving Nonlocal Heat Conduction Problems with Not Strongly Regular Boundary Conditions

    Article • Mathematics, October 2022, MDPI AG

    Prof. Makhmud A. Sadybekov

  14. Direct and inverse problems for nonlocal heat equation with boundary conditions of periodic type

    Article • Boundary Value Problems, August 2022, Springer Science + Business Media

    Prof. Makhmud A. Sadybekov

  15. ON ROOT FUNCTIONS OF NONLOCAL DIFFERENTIAL SECOND-ORDER OPERATOR WITH BOUNDARY CONDITIONS OF PERIODIC TYPE

    Article • Journal of Mathematics Mechanics and Computer Science, December 2021, al-Farabi Kazakh National University

    Prof. Makhmud A. Sadybekov

  16. ON GREEN’S FUNCTION OF DARBOUX PROBLEM FOR HYPERBOLIC EQUATION

    Article • Journal of Mathematics Mechanics and Computer Science, September 2021, al-Farabi Kazakh National University

    Prof. Makhmud A. Sadybekov

  17. On Green’s function of Cauchy–Dirichlet problem for hyperbolic equation in a quarter plane

    Article • Boundary Value Problems, August 2021, Springer Science + Business Media

    Prof. Makhmud A. Sadybekov

  18. On boundary value problems of the Samarskii–Ionkin type for the Laplace operator in a ball

    Article • Complex Variables and Elliptic Equations, October 2020, Taylor & Francis

    Prof. Makhmud A. Sadybekov

  19. On an inverse problem of reconstructing a subdiffusion process from nonlocal data

    Article • Mathematical Methods in the Applied Sciences, February 2019, Wiley

    Prof. Makhmud A. Sadybekov

  20. Properties in L p of root functions for a nonlocal problem with involution

    Article • TURKISH JOURNAL OF MATHEMATICS, January 2019, The Scientific and Technological Research Council of Turkey

    Prof. Makhmud A. Sadybekov

  21. Nonlocal spectral problem for a second-order differential equation with an involution

    Article • BULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS, September 2018, Buketov Karaganda State University

    Prof. Makhmud A. Sadybekov

  22. On one problem for restoring the density of sources of the fractional heat conductivity process with respect to initial and final temperatures

    Article • BULLETIN OF THE KARAGANDA UNIVERSITY-MATHEMATICS, September 2018, Buketov Karaganda State University

    Prof. Makhmud A. Sadybekov

  23. Direct and inverse problems for the Poisson equation with equality of flows on a part of the boundary

    Article • Complex Variables and Elliptic Equations, September 2018, Taylor & Francis

    Prof. Makhmud A. Sadybekov

  24. On an Inverse Problem of Reconstructing a Heat Conduction Process from Nonlocal Data

    Article • Advances in Mathematical Physics, June 2018, Hindawi Publishing Corporation

    Prof. Makhmud A. Sadybekov

  25. A criterion of solvability of the elliptic Cauchy problem in a multi-dimensional cylindrical domain

    Article • Complex Variables and Elliptic Equations, February 2018, Taylor & Francis

    Prof. Makhmud A. Sadybekov

  26. About one inverse problem of time fractional evolution with an involution perturbation

    Article • January 2018, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  27. Determination of a time-dependent heat source under not strengthened regular boundary and integral overdetermination conditions

    Article • Filomat, January 2018, National Library of Serbia

    Prof. Makhmud A. Sadybekov

  28. On a class of direct and inverse problems for the Poisson equation with equality of flows on part of the boundary

    Article • January 2018, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  29. On a Generalised Samarskii-Ionkin Type Problem for the Poisson Equation

    Article • January 2018, Springer Science + Business Media

    Prof. Makhmud A. Sadybekov

  30. On one class of problems for restoring the density of sources of the process of fractional heat conductivity with respect to initial and final temperature

    Article • January 2018, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  31. One class of inverse problems for reconstructing the process of heat conduction from nonlocal data

    Article • January 2018, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  32. A regular differential operator with perturbed boundary condition

    Article • Mathematical Notes, May 2017, Pleiades Publishing Ltd

    Prof. Makhmud A. Sadybekov

  33. On a Frankl-type problem for a mixed parabolic-hyperbolic equation

    Article • Siberian Mathematical Journal, March 2017, Pleiades Publishing Ltd

    Prof. Makhmud A. Sadybekov

  34. Регулярный дифференциальный оператор с возмущенным краевым условием

    Article • Математические заметки, January 2017, Steklov Mathematical Institute

    Prof. Makhmud A. Sadybekov

  35. Representation of the Green’s function of the exterior Neumann problem for the Laplace operator

    Article • Siberian Mathematical Journal, January 2017, Pleiades Publishing Ltd

    Prof. Makhmud A. Sadybekov

  36. On Isoperimetric Inequalities for the Cauchy-Robin Heat Operator

    Article • Mathematical Modelling of Natural Phenomena, January 2017, EDP Sciences

    Prof. Makhmud A. Sadybekov

  37. About characteristic determinant of one boundary value problem not having the basis property

    Article • January 2017, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  38. Constructing a basis from systems of eigenfunctions of one not strengthened regular boundary value problem

    Article • Filomat, January 2017, National Library of Serbia

    Prof. Makhmud A. Sadybekov

  39. Correct restrictions of first-order functional–differential equation

    Article • January 2017, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  40. On one inhomogeneous model of oscillations of a thin flat plate with a variety of mounts on opposite sides

    Article • January 2017, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  41. Preface: International Conference “Functional Analysis in Interdisciplinary Applications” (FAIA2017)

    Article • January 2017, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  42. On a Volterra property of an problem of the Frankl type for an equation of the mixed parabolic–hyperbolic type

    Article • January 2017, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  43. On application of inverse problems with the nonlocal boundary conditions in the diffusion theory

    Article • January 2017, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  44. On trace formulae of the generalised heat potential operator

    Article • Journal of Pseudo-Differential Operators and Applications, December 2016, Springer Science + Business Media

    Prof. Makhmud A. Sadybekov

  45. Spectral properties of boundary-value problem with a shift for wave equation

    Article • Russian Mathematics, February 2016, Allerton Press

    Prof. Makhmud A. Sadybekov

  46. On a criterion for the solvability of one ill-posed problem for the biharmonic equation

    Article • Journal of Inverse and Ill-Posed Problems, January 2016, De Gruyter

    Prof. Makhmud A. Sadybekov

  47. On some spectral inequalities for a nonlocal elliptic problem

    Article • January 2016, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  48. An isoperimetric inequality for heat potential and heat equation

    Article • January 2016, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  49. On a difference scheme for nonlocal heat transfer boundary-value problem

    Article • January 2016, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  50. Stability of basis property of a periodic problem with nonlocal perturbation of boundary conditions

    Article • January 2016, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  51. On a class of nonlocal boundary value problems for the Laplace operator in a disk

    Article • January 2016, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  52. On an Samarskii-Ionkin boundary value problem for the Poisson equation in a disk

    Article • January 2016, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  53. On a problem of the Frankl type for an equation of the mixed parabolic-hyperbolic type

    Article • January 2016, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  54. Spectral properties of a Laplace operator with Samarskii–Ionkin type boundary conditions in a disk

    Article • January 2016, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  55. Description of spectral properties of a generalized spectral problem with involution for differentiation operator of the second order

    Article • January 2016, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  56. First regularized trace of integro-differential Sturm-Liouville operator on a segment with punctured points at generalized conditions of bonding in deleted points

    Article • January 2016, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  57. The first regularized trace of integro-differential Sturm-Liouville operator on the segment with punctured points at integral perturbation of transmission conditions

    Article • January 2016, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  58. An inverse problem in diffusion theory with nonlocal boundary conditions

    Article • January 2016, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  59. Construction of mathematical models of extraction processes with nonlocal conditions by a spatial variable

    Article • January 2016, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  60. On One Mathematical Model of the Extraction Process of Polydisperse Porous Material

    Article • Bulletin of the South Ural State University Series "Mathematical Modelling Programming and Computer Software", January 2016, Federal State Funded Educational Institution of Higher Professional Education

    Prof. Makhmud A. Sadybekov

  61. On solvability of one nonlocal boundary problem for the Laplace operator with opposite flows at the part of the boundary

    Article • January 2016, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  62. On the solvability of a nonlocal boundary value problem for the Laplace operator with opposite flows at the part of the boundary

    Article • January 2016, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  63. Representation of Green’s function of the Neumann problem for a multi-dimensional ball

    Article • Complex Variables and Elliptic Equations, July 2015, Taylor & Francis

    Prof. Makhmud A. Sadybekov

  64. On an explicit form of the Green function of the Robin problem for the Laplace operator in a circle

    Article • Advances in Pure and Applied Mathematics, January 2015, De Gruyter

    Prof. Makhmud A. Sadybekov

  65. An inverse coefficient problem of heat conductivity with a nonlocal Samarskii-Ionkin type condition

    Article • January 2015, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  66. On a new class of nonlocal problems for the Laplace operator

    Article • January 2015, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  67. Renovation of the fixing and loading factors of the beam by the spectral data of free flexural vibrations

    Article • January 2015, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  68. On an analog of Samarskii-Ionkin type boundary value problem for the Poisson equation in the disk

    Article • January 2015, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  69. On an inverse problem of mathematical modeling of the extraction process of polydisperse porous materials

    Article • January 2015, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  70. On instability of basis property of the root vectors system of the double differentiation operator with an integral perturbation of periodic type conditions

    Article • January 2015, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  71. One-dimensional diffusion problem with not strengthened regular boundary conditions

    Article • January 2015, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  72. Solution of a singularly perturbed Cauchy problem using a method of a deviating argument

    Article • January 2015, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  73. On an analog of periodic boundary value problems for the Poisson equation in the disk

    Article • Differential Equations, February 2014, Pleiades Publishing Ltd

    Prof. Makhmud A. Sadybekov

  74. Eigenfunctions of a fourth order operator pencil

    Article • January 2014, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  75. A criterion for the strong solvability of the Neumann-Tricomi problem for the Lavrent'ev-Bitsadze equation in Lp

    Article • January 2014, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  76. Characteristic determinant of the spectral problem for the ordinary differential operator with the boundary load

    Article • January 2014, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  77. Spectral properties of some non strongly regular boundary value problems for fourth order differential operators

    Article • January 2014, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  78. On solvability of some nonlocal boundary value problems with the Hadamard boundary operator

    Article • January 2014, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  79. On an explicit form of the Green function of the third boundary value problem for the Poisson equation in a circle

    Article • January 2014, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  80. An inverse problem of mathematical modeling of the extraction process of polydisperse porous materials

    Article • January 2014, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  81. On the restoration of an operator of Sturm-Liouville by one spectrum

    Article • January 2014, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  82. About the Nature of the Spectrum of the Periodic Problem for the Heat Equation with a Deviating Argument

    Article • Abstract and Applied Analysis, January 2013, Hindawi Publishing Corporation

    Prof. Makhmud A. Sadybekov

  83. Criterion for the basis property of the eigenfunction system of a multiple differentiation operator with an involution

    Article • Differential Equations, August 2012, Pleiades Publishing Ltd

    Prof. Makhmud A. Sadybekov

  84. On the solvability of a nonlocal boundary problem for the Helmholtz operator in a half-disk

    Article • Contemporary Analysis and Applied Mathematics, June 2012, Contemporary Analysis and Applied Mathematics

    Prof. Makhmud A. Sadybekov

  85. On the basis property of root functions of a periodic problem with an integral perturbation of the boundary condition

    Article • Differential Equations, June 2012, Pleiades Publishing Ltd

    Prof. Makhmud A. Sadybekov

  86. One nonlocal problem of determination of the temperature and density of heat sources

    Article • Russian Mathematics, January 2012, Allerton Press

    Prof. Makhmud A. Sadybekov

  87. Mixed problem for a differential equation with involution under boundary conditions of general form

    Article • January 2012, American Institute of Physics

    Prof. Makhmud A. Sadybekov

  88. On a class of problems of determining the temperature and density of heat sources given initial and final temperature

    Article • Siberian Mathematical Journal, January 2012, Pleiades Publishing Ltd

    Prof. Makhmud A. Sadybekov

  89. Biorthogonal expansions in root functions of differential operators

    Article • Differential Equations, January 2011, Pleiades Publishing Ltd

    Prof. Makhmud A. Sadybekov

  90. On the theory of antiprior estimates in the sense of V.A. Il’in

    Article • Doklady Mathematics, June 2008, Pleiades Publishing Ltd

    Prof. Makhmud A. Sadybekov

  91. The use of anti-A priori estimates in the theory of bases in the space L 2

    Article • Differential Equations, May 2008, Pleiades Publishing Ltd

    Prof. Makhmud A. Sadybekov

  92. The basis property of the system of eigen- and associated functions of a boundary value problem with shift for the wave equation

    Article • Mathematical Notes, May 1992, Springer Science + Business Media

    Prof. Makhmud A. Sadybekov