%0 Journal Article %A A. Yu. Levin %T A~criterion for absolute disconjugate stability for $n$th-order equations %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1988 %P 244-245 %V 43 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1988_43_5_a23/ %G en %F RM_1988_43_5_a23