TY  - JOUR
AU  - M. E. Shirokov
TI  - Superadditivity of~the~convex~closure of~the~output entropy of~a~quantum channel
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 2006
SP  - 1186
EP  - 1188
VL  - 61
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_2006_61_6_a10/
LA  - en
ID  - RM_2006_61_6_a10
ER  -