%0 Journal Article
%A L. D. Nikolenko
%T Some criteria for non-oscillation of a fourth order differential equation
%J Doklady Akademii Nauk
%D 1957
%P 483-485
%V 114
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1957_114_3_a8/
%G ru
%F DAN_1957_114_3_a8