%0 Journal Article
%A A. Yu. Levin
%T Non-oscillation of solutions of the equation

%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1969
%P 43-99
%V 24
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1969_24_2_a1/
%G en
%F RM_1969_24_2_a1