%0 Journal Article
%A I. V. Kamenev
%T Necessary and sufficient conditions for the disconjugacy of the solutions of a second order linear equation
%J Differencialʹnye uravneniâ
%D 1976
%P 751-753
%V 12
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1976_12_4_a18/
%G ru
%F DE_1976_12_4_a18