%0 Journal Article
%A S. Z. Levendorskii
%T The algebra of boundary value problems for a class of
%J Doklady Akademii Nauk
%D 1990
%P 795-798
%V 313
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1990_313_4_a4/
%G ru
%F DAN_1990_313_4_a4