%0 Journal Article
%A I. V. Kamenev
%T On Hartman's comparison theorem for second order linear equations
%J Differencialʹnye uravneniâ
%D 1975
%P 1136-1137
%V 11
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1975_11_6_a18/
%G ru
%F DE_1975_11_6_a18