%0 Journal Article
%A L. M. Berkovich
%T Second-order kindred linear differential equations
%J Differencialʹnye uravneniâ
%D 1989
%P 192-201
%V 25
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1989_25_2_a1/
%G ru
%F DE_1989_25_2_a1