63-66 | On some properties of proximity in metric spaces. Vymazalová, Hana |
67-73 | Contractive mappings and periodically perturbed conservative systems. Mawhin, Jean |
75-80 | Problèmes concernant différentes classes d'équations intégro-différentielles non linéaires aux opérateurs polyvibrants. Krivochéine, L. E.; Mangeron, D.; Oguztoreli, M. N.; Salandi, D. |
81-85 | Об одном интегральном неравенстве. Konstantinov, Michail M. |
87-98 | On asymptotic properties of central dispersions of the $k$-th kind of $y''=q(t)y$, $k=1,2,3,4$. Staněk, Svatoslav |
99-105 | On a class of variational problems defined by polynomial Lagrangians. Krupka, Demeter |
107-115 | On homeomorphic topologies and equivalent set-systems. Chvalina, Jan |