%0 Journal Article
%A V. A. Kondrat'ev
%A E. M. Landis
%T On qualitative properties of solutions of a~nonlinear equation of second order
%J Sbornik. Mathematics
%D 1989
%P 337-350
%V 63
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1989_63_2_a4/
%G en
%F SM_1989_63_2_a4