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  1. One class of invariant solutions of the one-dimensional equations of two-temperature relaxation gas dynamics
  2. Group classification of systems of second-order stochastic ordinary differential equations
  3. Group analysis and exact solutions of the spatially homogeneous and isotropic Boltzmann equation with a source term
  4. Equation of Rayleigh noise reduction model for medical ultrasound imaging: Symmetry classification and conservation laws in cylindrical coordinates
  5. Symmetries of one-dimensional fluid equations in Lagrangian coordinates
  6. Conservation laws of the one-dimensional isentropic gas dynamics equations in Lagrangian coordinates
  7. Invariant solutions of the two-dimensional shallow water equations with a particular class of bottoms
  8. Generalized Riemann waves and their adjoinment through a shock wave
  9. Symmetry analysis of the nonlinear two-dimensional Klein-Gordon equation with a time-varying delay
  10. On the complete group classification of the one-dimensional nonlinear Klein-Gordon equation with a delay