193-199 | Some geometric remarks about dispersions. Guggenheimer, H. |
201-216 | Centroaffine invariants of plane curves in connection with the theory of the second-order linear differential equations. Neuman, František |
217-222 | On the existence of a bounded solution of a non-linear differential equation. Jakubičková, M. |
237-239 | Об одном рекуррентно-дифференциальном уравнении. Flaisher, N. M. |
241-251 | Distinguishing subsets of semi-groups and groups. Zapletal, Josef |