%0 Journal Article
%A B. Yu. Sternin
%T Elliptic (co)boundary morphisms
%J Doklady Akademii Nauk
%D 1967
%P 44-47
%V 172
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1967_172_1_a10/
%G ru
%F DAN_1967_172_1_a10