%0 Journal Article %A Došlý, Ondřej %T The multiplicity criteria for zero points of second order differential equations %J Mathematica slovaca %D 1992 %P 181-193 %V 42 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1992__42_2_a5/ %G en %F MASLO_1992__42_2_a5