%0 Journal Article
%A V. V. Kapustin
%T A criterion for the reflexivity of contractions with a defect operator of the Hilbert--Schmidt class
%J Doklady Akademii Nauk
%D 1991
%P 1308-1311
%V 318
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1991_318_6_a5/
%G ru
%F DAN_1991_318_6_a5