187-192 | On zeros of solutions of the differential equation $(p(t)y' )' +f(t, y, y' )=0$. Bartušek, Miroslav |
193-204 | Asymptotic behaviour of the equation $x''+p(t)x'+q(t)x=0$ with complex-valued coefficients. Ráb, Miloš |
205-216 | On a coincidence of central dispersions of the first and second kind in connection with periodic solutions of the differential equation $y'=q(t)y$. Rachůnková, Irena |
217-239 | Projective and injective complete lattices. Fuchs, Eduard |
241-245 | Über Realisierungen geordneter Mengen. Novák, Vítězslav |