%0 Journal Article
%A P. A. Kuchment
%T On the index of Fredholm operators in a family of Banach spaces
%J Doklady Akademii Nauk
%D 1972
%P 31-33
%V 204
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1972_204_1_a7/
%G ru
%F DAN_1972_204_1_a7