%0 Journal Article
%A A. S. Kalashnikov
%T Increasing solutions of linear second-order equations with nonnegative characteristic form
%J Matematičeskie zametki
%D 1968
%P 171-178
%V 3
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1968_3_2_a6/
%G ru
%F MZM_1968_3_2_a6