| 3-18 | On some properties of third-order linear differential equation. Regenda, Ján |
| 19-22 | A theorem concerning the restriction of the $\cal D$-structure of a semigroup $S$ to a subsemigroup of $S$. Pastijn, Francis |
| 23-30 | Hadwiger numbers of finite graphs. Zelinka, Bohdan |
| 31-37 | Polars and X-ideals in semigroups. Šmarda, Bohumil |
| 39-45 | On the Hahn-Banach theorem. Forgáč, Ladislav |
| 47-52 | An extension of Brunovský's Scorza-Dragoni type theorem for unbounded set-valued functions. Himmelberg, Charles J.; Van Vleck, F. S. |
| 53-56 | On the existence of critically n-connected graphs. Gliviak, Ferdinand |
| 57-61 | The tensor product of right groups. Satko, Ladislav |
| 63-72 | b-equivalent multilattices. Klaučová, Oľga |