%0 Journal Article
%A V. A. Kondratiev
%T Sufficient conditions for non-oscillatory or oscillatory nature of solutions of equation $y''+p(x)y=0$
%J Doklady Akademii Nauk
%D 1957
%P 742-745
%V 113
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1957_113_4_a4/
%G ru
%F DAN_1957_113_4_a4