1975-1976/31/2

On generalized solutions of some differential non-linear equations of order n

Method of difference inequalities for parabolic equations with mixed derivatives

Stability and periodicity for linear differential equations with periodic coefficients

Special solutions of a functional equation

Existence and uniqueness of solutions of non-linear functional equations of r-th order

On infinite systems of differential equations with deviated argument I

A characteristic property of orthogonal pencils of coaxal circles from the standpoint of conformal mapping

Arithmetic mean function of the real part of entire Dirichlet series I

Remark on a conjectured characterization of the sphere

A differentiable dependence on the right-hand side of solutions of ordinary differential equations

Strong maximum principle for non-linear parabolic differential-functional inequalities in arbitrary domains

On product of generalized Appell polynomials