%0 Journal Article
%A A. N. Kozhevnikov
%T Spectral problems for pseudodifferential systems elliptic in the Douglis--Nirenberg sense, and their applications
%J Sbornik. Mathematics
%D 1973
%P 63-90
%V 21
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1973_21_1_a3/
%G en
%F SM_1973_21_1_a3