1989/57/1

On models of finite direct products of theories

A category theoretical background for homomorphism theorems

Exchange properties and basis properties for closure operators

Derivations satisfying polynomial identities

Shape evaluation groups

Coverings of stably parallelizable manifolds

A family of complete arcs in finite projective planes

On invariant submanifolds in almost cosymplectic manifolds

Locally conformal almost cosymplectic manifolds

On manifolds satisfying some curvature conditions

Subsystems of the Schauder system whose orthonormalizations are Schauder bases for ${\displaystyle L^p[0,1]}$

Linear modulus of a multidimensional semigroup of ${\displaystyle L_1}$-contractions and a differentiation theorem

Stability and exactness

Polynomial inequalities on general subsets of ${\displaystyle R^N}$

Pseudo-symmetric differentiation

Uniform limits of Darboux functions on the Euclidean plane

Об одном комбинаторном тождестве. связанном с дифференциальными уравнениями бесконечного порядка

Sur le théorème des idéaux premiers

On weak uniform distribution of sequences of integers

On sets of weak uniform distribution

Correction to the paper "Some problems and remarks on relative multipliers''