%0 Journal Article
%A B. V. Fedosov
%T An analytic formula for the index of an elliptic boundary value problem.~III
%J Sbornik. Mathematics
%D 1976
%P 341-359
%V 30
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SM_1976_30_3_a4/
%G en
%F SM_1976_30_3_a4