%0 Journal Article
%A V. A. Trenogin
%T Approximations on families of Banach spaces and solvability of linear equations
%J Doklady Akademii Nauk
%D 1971
%P 1288-1291
%V 201
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1971_201_6_a5/
%G ru
%F DAN_1971_201_6_a5