%0 Journal Article
%A A. I. Shtern
%T On operators in Frйchet spaces that are similar to isometries
%J Vestnik Moskovskogo universiteta. Matematika, mehanika
%D 1991
%P 67-70
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/VMUMM_1991_4_a15/
%G ru
%F VMUMM_1991_4_a15