%0 Journal Article
%A Yu. V. Pokornyi
%A K. P. Lazarev
%T Some oscillation theorems for multipoint problems
%J Differencialʹnye uravneniâ
%D 1987
%P 658-670
%V 23
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1987_23_4_a10/
%G ru
%F DE_1987_23_4_a10