%0 Journal Article
%A G. S. Zaitseva
%T Certain criteria for the non-oscillation of linear differential operators
%J Doklady Akademii Nauk
%D 1967
%P 1263-1264
%V 177
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1967_177_6_a2/
%G ru
%F DAN_1967_177_6_a2