Centers and Isochronous Centers of Newton Systems with Force Function Quadratic in Velocities V. V. Amel’kinA. E. Rudenok Ordinary Differential Equations 12 September 2019 Pages: 1001 - 1010
Bifurcation of the Equilibrium of an Oscillator with a Velocity-Dependent Restoring Force under Periodic Perturbations Yu. N. BibikovV. R. Bukaty Ordinary Differential Equations 12 September 2019 Pages: 1011 - 1016
Invariants and Symmetries of Second-Order Ordinary Differential Equations of Nonprojective Type Yu. Yu. Bagderina Ordinary Differential Equations 12 September 2019 Pages: 1017 - 1036
Solvability and Green’s Function of a Degenerate Boundary Value Problem on a Graph M. G. Zavgorodnij Ordinary Differential Equations 12 September 2019 Pages: 1037 - 1044
On the Riesz Inequality and the Basis Property of Systems of Root Vector Functions of a Discontinuous Dirac Operator V. M. KurbanovL. Z. Buksaeva Ordinary Differential Equations 12 September 2019 Pages: 1045 - 1055
Hölder Continuity of Solutions of an Elliptic p(x)-Laplace Equation Uniformly Degenerate on a Part of the Domain Yu. A. AlkhutovS. T. Huseynov Partial Differential Equations 12 September 2019 Pages: 1056 - 1068
On the Solvability of Boundary Value Problems for an Abstract Bessel-Struve Equation A. V. Glushak Partial Differential Equations 12 September 2019 Pages: 1069 - 1076
Self-Similar Solutions of the Cauchy Problem for a Parabolic Stochastic Differential Equation S. A. Mel’nik Partial Differential Equations 12 September 2019 Pages: 1077 - 1083
Generalization of the Tricomi Problem M. MirsaburovO. BegalievN. Kh. Khurramov Partial Differential Equations 12 September 2019 Pages: 1084 - 1093
Solvability of a Nonlinear Boundary Value Problem with a Small Parameter E. MukhamadievA. N. NaimovA. Kh. Sattorov Partial Differential Equations 12 September 2019 Pages: 1094 - 1104
Problem with a Periodicity Condition for an Equation of the Mixed Type with Strong Degeneration R. S. Khairullin Partial Differential Equations 12 September 2019 Pages: 1105 - 1117
Family of Dynamical Systems Whose Topological Entropy Is Nowhere Upper Semicontinuous A. N. Vetokhin Short Communications 12 September 2019 Pages: 1118 - 1119
Spectral Properties of the Dirac Operator with a Nonsmooth Potential of the General Form and Operator Groups N. B. Uskova Short Communications 12 September 2019 Pages: 1120 - 1124