%0 Journal Article
%A L. V. Hörmander
%T On the index of pseudodifferential operators
%J Matematika
%D 1970
%P 78-97
%V 14
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAT_1970_14_4_a2/
%G ru
%F MAT_1970_14_4_a2