| 541-549 | A necessary and sufficient condition for the primality of Fermat numbers. Křížek, Michal; Somer, Lawrence |
| 551-553 | A remark to the paper “On condensing discrete dynamical systems”. Šeda, Valter |
| 555-560 | Equivariant maps between certain $G$-spaces with $G=O( n-1,1)$. Misiak, Aleksander; Stasiak, Eugeniusz |
| 561-569 | A duality between algebras of basic logic and bounded representable $DRl$-monoids. Rachůnek, Jiří |
| 571-579 | Dense subsets of ordered sets. Novák, Vítězslav; Vránová, Lidmila |
| 581-592 | On a modification of axioms of general relations. Karásek, Jiří |
| 593-606 | The period of a whirling pendulum. Lichardová, Hana |
| 607-612 | Route systems on graphs. Changat, Manoj; Mulder, Henry Martyn |
| 613-629 | A note on integration by parts for abstract Perron-Stieltjes integrals. Schwabik, Štefan |
| 631-637 | Particular trace decompositions and applications of trace decomposition to almost projective invariants. Crâşmăreanu, Mircea |
| 639-647 | Existence of nonoscillatory solutions of a class of nonlinear difference equations with a forced term. Zhang, B. G.; Sun, Y. J. |
| 649-652 | Pure subgroups. Bican, Ladislav |
| 653-660 | On the congruence lattice of an abelian lattice ordered group. Jakubík, Ján |
| 661-668 | Book reviews. |