1-24 | On the distribution of zeros of solutions of some types of differential equation $y''=q(t)y$. Bartušek, Miroslav |
25-29 | Oscillation of solutions of a non-linear delay differential equation of the fourth order. Futák, Ján |
31-51 | The approximation of functions in the sense of Tchebychev. I. Šmerk, Jiří |
53-66 | Einige kombinatorische Identitäten. Karpe, Robert |