%0 Journal Article
%A M. A. Shubin
%T Factorization of matrices depending on a parameter, and elliptic equations in a halfspace
%J Sbornik. Mathematics
%D 1971
%P 65-84
%V 14
%N 1
%U http://geodesic.mathdoc.fr/item/SM_1971_14_1_a3/
%G en
%F SM_1971_14_1_a3