1988-1989/49/3

On algebraic characterization of coercive linear partial differential operators with constant coefficients

On totally umbilical submanifolds in nearly Kählerian manifolds

Convexity of a class of functions related to classes of starlike functions and functions with boundary rotation

On a nonlinear ordinary differential equation

On approximate solutions of a functional equation in the class of differentiable functions

On an integral inequality for piecewise continuous functions

Local generalized solutions of mixed problems for quasilinear hyperbolic systems of functional partial differential equations in two independent variables

Capacities associated to the Siciak extremal function

Random differential inclusions: Measurable selection approach

Reduction of invariant differential operators and expansions of conical distributions for ${\displaystyle S{O}_0(n,1)}$