%0 Journal Article
%A Ya. N. Mamedov
%T On the completeness of root functions of some boundary value problems
%J Differencialʹnye uravneniâ
%D 1989
%P 167-169
%V 25
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1989_25_1_a20/
%G ru
%F DE_1989_25_1_a20