%0 Journal Article
%A M. S. Agranovich
%T On the problem of the index of elliptic operators
%J Doklady Akademii Nauk
%D 1962
%P 983-985
%V 142
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1962_142_5_a0/
%G ru
%F DAN_1962_142_5_a0