1-8 | Fundamental central dispersion in a simple system. Barvínek, Erich |
9-20,21a,21 | On the exceptional case in systems of non-linear differential equations. Karim, Rahmi Ibrahim Ibrahim Abdel |
23-28 | Contributions to the theory of decompositions on a group. Coufal, Oldřich |
29-30 | Verallgemeinerung der Stirling'schen Zahlen der 2. Art. Karpe, Robert |
31-46 | Some maximal graduation classes and their Riemannian properties. Popovici, Iulian; Iordanescu, Radu; Turtoi, Adriana |