%0 Journal Article
%A M. E. Shirokov
%T Superadditivity of~the~convex~closure of~the~output entropy of~a~quantum channel
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 2006
%P 1186-1188
%V 61
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_2006_61_6_a10/
%G en
%F RM_2006_61_6_a10