TY  - JOUR
AU  - A. S. Holevo
AU  - M. E. Shirokov
TI  - The additivity problem for constrained quantum channels
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 2004
SP  - 385
EP  - 387
VL  - 59
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_2004_59_2_a14/
LA  - en
ID  - RM_2004_59_2_a14
ER  -