| 121-124 | Congruence distributivity in varieties with constants. Chajda, Ivan |
| 125-128 | Universal cyclic relations. Novák, Vítězslav |
| 129-133 | Multiplicity types of algebras - an example. Kaďourek, Jiří |
| 135-138 | Some remarks on a terminal value problem. Tsamatos, P. Ch. |
| 139-144 | On languages linearly grammatizable by means of derivatives. Drášil, Milan |
| 145-156 | On oscillatory solution of the differential equations of the $n$-th order. Bartušek, Miroslav |
| 157-158 | A note on exponentiation in regular locales. Rosický, Jiří |
| 159-173 | Geometry of Lagrangean structures. I. Krupka, Demeter |