Contents

Russian Mathematics

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Vol. 70, No. 5, 2026

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External Meniscus on an Inclined Thin Fiber

M. M. Alimov p. 1  abstract

Boundary Value Problem with Asymmetric Boundary Conditions for a Third-Order Equation with Variable Coefficients

Yu. P. Apakov and R. A. Umarov p. 15  abstract

About One Phragmén–Lindelöf Type Theorem for Biharmonic Functions

Z. R. Ashurova, N. Yu. Juraeva, and U. Yu. Juraeva p. 26  abstract

On Semi-Nil Clean Rings with Applications

M. H. Bien, P. V. Danchev, and M. Ramezan-Nassab p. 45  abstract

On Group Characteristic of the 6D h-Space of the Type [33]

Z. Kh. Zakirova p. 58  abstract

Spectral Properties of a Two-Boson System on a Three-Dimensional Lattice

A. M. Khurramov p. 64  abstract

Complete Numberings of Families of Sets of Computable Reals

M. Kh. Faizrahmanov p. 75  abstract

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