%0 Journal Article
%A I. V. Kamenev
%T A~necessary and sufficient condition for nonoscillatory behavior of the solutions of a~system of two linear equations of the first order
%J Matematičeskie zametki
%D 1974
%P 259-265
%V 16
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZM_1974_16_2_a9/
%G ru
%F MZM_1974_16_2_a9