%0 Journal Article
%A O. Boruvka
%T Theory of the global properties of second order linear ordinary differential equations
%J Differencialʹnye uravneniâ
%D 1976
%P 1347-1383
%V 12
%N 8
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1976_12_8_a0/
%G ru
%F DE_1976_12_8_a0