| 577-586 | On uniform paracompactness. Buhagiar, D.; Pasynkov, B. |
| 587-597 | Quantum logics representable as kernels of measures. Navara, Mirko |
| 599-605 | Some inclusion theorems for absolute summability. Orhan, C.; Çakar, Ö. |
| 607-624 | Some topological properties preserved by nearness between operators and applications to P.D.E. Tarsia, Antonio |
| 625-627 | A characterization of polarities whose polar lattice is orthomodular. Zapatrin, Roman R. |
| 629-664 | Decidability of weak equational theories. Szymański, Robert |
| 665-675 | Some characteristics of the edge distance between graphs. Hrnčiar, Pavel; Haviar, Alfonz; Monoszová, Gabriela |
| 677-695 | On the structure and arithmetic of finitely primary monoids. Geroldinger, Alfred |
| 697-719 | Finite monogenic distributive systems. Sesboüé, André |
| 721-732 | Principal convergences on lattice ordered groups. Jakubík, Ján |
| 733-744 | Ideals and congruence kernels of algebras. Chajda, I.; Rosenberg, I. G. |
| 745-767 | On half lattice ordered groups. Jakubík, Ján |