%0 Journal Article %A Regenda, Ján %T Oscillation theorems for a class of linear fourth order differential equations %J Czechoslovak Mathematical Journal %D 1984 %P 113-120 %V 34 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1984.101930/ %R 10.21136/CMJ.1984.101930 %G en %F 10_21136_CMJ_1984_101930