Explicit solutions of non-autonomous Emden - Fowler type equations
Estimations of the number of solutions to some nonlinear second order boundary value problems
Types of solutions and multiplicity results for two-point fourth order nonlinear boundary value problems
On upper and lower functions for the fourth order ordinary differential equations (Russian)
Properties of upper and lower functions (Russian)
On relationship between boundary value problems (Russian)
On non-existence of a maximal solution for boundary value problems (Russian)
On some three-point boundary value problem (Russian)
On uniqueness of a solution of boundary value problems for a system of two first-order differential equations with linear boundary conditions. II (Russian)