1972-1973/27/1

О сходимости и суммируемости двумерных числовых последовательностей в горизонтальном смысле

Absolute Nörlund summability factors of power series and Fourier series

Oscillation theorems and nodes of eigenfunctions of certain differential equations of the fourth order

Special solutions of a functional equation

Some theorems on partial differential inequalities of parabolic type

On a criterion of uniqueness for periodic solutions of linear second order difference equations

An integral formula for submanifolds and its application

Sur quelques inégalités différentielles relatives à des lignes polygonales

Solutions of the Schröder equation

Covariant derivative of product tensors

Certain formulas associated with generalized Rice polynomials, II

Some structures on an f-structure manifold

Une remarque sur l'évaluation de la région d'attraction de la solution banale d'un système d'équations différentielles piloté avec le paramètre retardé

Scalar and density concomitants of tensor with the valence (1, 2) in a 2-dimensional space