%0 Journal Article
%A S. Z. Levendorskii
%T An algebra of boundary value problems for a class of pseudodifferential operators of variable order
%J Izvestiya. Mathematics 
%D 1992
%P 131-154
%V 38
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/IM2_1992_38_1_a5/
%G en
%F IM2_1992_38_1_a5