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  1. Three weak solutions for degenerate weighted quasilinear elliptic equations with indefinite weights and variable exponents

    Article • AIMS Mathematics, January 2025, Tsinghua University Press

    Khaled Kefi

  2. On multiple solutions for an elliptic problem involving Leray–Lions operator, Hardy potential and indefinite weight with mixed boundary conditions

    Article • AIMS Mathematics, January 2025, Tsinghua University Press

    Khaled Kefi

  3. Infinitely many solutions for a critical $ p(x) $-Kirchhoff equation with Steklov boundary value

    Article • AIMS Mathematics, January 2024, Tsinghua University Press

    Khaled Kefi

  4. Triple solutions for a Leray-Lions $ p(x) $-biharmonic operator involving Hardy potential and indefinite weight

    Article • AIMS Mathematics, January 2024, Tsinghua University Press

    Khaled Kefi

  5. Existence of solutions for a p(x)-biharmonic problem under Neumann boundary conditions

    Article • Applicable Analysis, October 2019, Taylor & Francis

    Khaled Kefi

  6. Nonhomogeneous p(x)-Laplacian Steklov problem with weights

    Article • Complex Variables and Elliptic Equations, April 2019, Taylor & Francis

    Khaled Kefi

  7. On the existence of a weak solution for some singular p ⁢ ( x ) p(x) -biharmonic equation with Navier boundary conditions

    Article • Advances in Nonlinear Analysis, March 2018, De Gruyter

    Khaled Kefi