%0 Journal Article
%A K. V. Kravchenko
%T Differential operators with nonlocal boundary conditions
%J Differencialʹnye uravneniâ
%D 2000
%P 464-469
%V 36
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_2000_36_4_a5/
%G ru
%F DE_2000_36_4_a5