The Associated Operator Legendre Function and the Incomplete Cauchy Problem A. V. Glushak OriginalPaper 09 February 2023 Pages: 1 - 10
A Boundary Value Problem with a Conormal Derivative for a Mixed-Type Equation of the Second Kind with a Conjugation Condition of the Frankl Type B. I. IslomovA. A. Abdullayev OriginalPaper 09 February 2023 Pages: 11 - 25
(Anti-)Self-Dual Einsteinian Metrics of Zero Signature, Their Petrov Classes and Connection with Kähler and Para-Kähler Structures L. N. KrivonosovV. A. Luk’yanov OriginalPaper 09 February 2023 Pages: 33 - 45
Metric Properties of the Rayleigh–Ritz Operator A. V. LakeevYu. È. LinkeV. A. Rusanov OriginalPaper 09 February 2023 Pages: 46 - 53
The Koolen–Park Boundary and Distance-Regular Graphs without m-Claws A. A. MakhnevWenbin GuoK. S. Efimov OriginalPaper 09 February 2023 Pages: 54 - 57
A Problem with Displacement on Internal Characteristics in an Unbounded Domain for the Gellerstedt Equation with a Singular Coefficient U. M. Mirsaburova OriginalPaper 09 February 2023 Pages: 58 - 70
Dirichlet Problems for Mixed-Type Equations with Fractional Derivatives K. B. Sabitov OriginalPaper 09 February 2023 Pages: 71 - 81