1974-1975/30/2

A note on a mean ergodic theorem

Asymptotic relationships between the solutions of two systems of differential equations

Continuability and estimates of solutions of (a(t)ψ(x)x')' + c(t)f(x) = 0

Extended rotation of the covariant vector density

An initial-boundary value problem for quasi-linear parabolic systems of higher order

The existence of periodic solutions of an autonomous second order non-linear differential equation

On the solution of an integral equation of second type by the Monte-Carlo method

${\displaystyle C^r}$-solutions of a system of functional equations

Asymptotic behavior of non-linear inhomogeneous differential equations via non-standard analysis. Part II. Some applications to higher order equations

A uniqueness criterion for fractional iteration