%0 Journal Article
%A A. V. Rybkin
%T Trace for the pair of a contraction and a unitary operator
%J Funkcionalʹnyj analiz i ego priloženiâ
%D 1987
%P 85-87
%V 21
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FAA_1987_21_4_a15/
%G ru
%F FAA_1987_21_4_a15