%0 Journal Article
%A B. V. Fedosov
%T Index of an elliptic system on a manifold
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1970
%P 57-67
%V 4
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1970_4_4_a5/
%G ru
%F FAA_1970_4_4_a5