1-9,10 | Concerning congruences on symmetric inverse semigroups. Scheiblich, H. E. |
11-14 | On minimal sequences of type $l_+$ and bounded biorthogonal systems in Banach spaces. Singer, Ivan |
15-23 | Open and proper maps between convergence spaces. Kent, Darrell C.; Richardson, Gary D. |
24-29 | Duality and algebraically irreducible semigroups. Rothman, Neal J. |
30-33 | Über die Kategorie der Menge stetiger Funktionen, welche Differentialgleichungen ohne Eindeutigkeit bestimmen. Janda, Jaroslav |
34-44 | On manifolds with connection. Kolář, Ivan |
45-49 | Equicontinuous commutative semigroups of onto functions. Husch, Lawrence S. |
50-56 | Meromorphisms of graphs. Zelinka, Bohdan |
57-73 | Mittlere Darstellungen natürlicher Zahlen als Summe von $n$ $k$-ten Potenzen. Krätzel, Ekkehard |
74-85 | Vertices of space curves. Šmakal, Stanislav |
86-94 | Curves of constant breadth. Šmakal, Stanislav |
95-122 | Mixed problem for semilinear hyperbolic equation of second order with Dirichlet boundary condition. Doktor, Alexander |
123-124 | On a theorem on the change of base point in a path connected space. Troué, Jacques |
125-138 | Center of a complete lattice. Jakubík, Ján |
139-150 | Closed and open sets in topologies induced by lattice ordered vector groups. Šik, František |
151-163 | The semigroup of fully indecomposable relations and Hall relations. Schwarz, Štefan |
164-174 | On $\sigma$-complete lattice ordered groups. Jakubík, Ján |
175 | News and Notices. |
(176),(177),(178) | Summaries of articles published in this issue. |