Uniqueness of the Solution of Inverse Initial Value Problems for the Burgers Equation with an Unknown Source A. V. Baev PARTIAL DIFFERENTIAL EQUATIONS 08 July 2021 Pages: 701 - 710
On Multiwave Solutions of One Nonlinear Schrödinger Equation A. N. Volobuev PARTIAL DIFFERENTIAL EQUATIONS 08 July 2021 Pages: 711 - 717
Problem with an Analog of the Frankl Condition on an Internal Characteristic for an Equation of Mixed Type U. M. Mirsaburova PARTIAL DIFFERENTIAL EQUATIONS 08 July 2021 Pages: 718 - 735
On the Eigenvalues and Eigenfunctions of the Dirichlet and Neumann Problems in a Domain with Perforated Partitions S. A. Nazarov PARTIAL DIFFERENTIAL EQUATIONS 08 July 2021 Pages: 736 - 752
Regularized Asymptotic Solutions of Nonlinear Integro-Differential Equations with Zero Operator in the Differential Part and with Several Rapidly Varying Kernels A. A. BobodzhanovM. A. BobodzhanovaV. F. Safonov INTEGRAL AND INTEGRO-DIFFERENTIAL EQUATIONS 08 July 2021 Pages: 753 - 767
On Positive Bounded Solutions of One Class of Nonlinear Integral Equations with the Hammerstein–Nemytskii Operator A. Kh. KhachatryanKh. A. KhachatryanH. S. Petrosyan INTEGRAL AND INTEGRO-DIFFERENTIAL EQUATIONS 08 July 2021 Pages: 768 - 779
Approximations to Problems of Optimal Control of Leading Coefficients of Elliptic Equations in Nondivergence Form with an Unbounded Nonlinearity in the Coefficients F. V. LubyshevA. R. Manapova NUMERICAL METHODS 08 July 2021 Pages: 780 - 804
Criterion for the Stability of Difference Schemes for Nonlinear Differential Equations P. P. Matus NUMERICAL METHODS 08 July 2021 Pages: 805 - 813
Method of Orthogonal Polynomials for an Approximate Solution of Singular Integro-Differential Equations as Applied to Two-Dimensional Diffraction Problems G. A. Rasol’koV. M. Volkov NUMERICAL METHODS 08 July 2021 Pages: 814 - 823
A Multipoint Boundary Value Problem on a Graph M. G. Zavgorodnii SHORT COMMUNICATIONS 08 July 2021 Pages: 824 - 827
Uniqueness of the Solution of the Gellerstedt Problem for the Lavrent’ev–Bitsadze Equation with a Spectral Parameter S. M. Ponomarev SHORT COMMUNICATIONS 08 July 2021 Pages: 828 - 833