%0 Journal Article %A Gerová, Marta %T A Sufficient Disconjugacy Condition for the Third Order Differential Equation %J Mathematica slovaca %D 1974 %P 253-258 %V 24 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1974__24_3_a7/ %G en %F MASLO_1974__24_3_a7