@article{TMF_1985_65_3_a8, author = {A. S. Holevo}, title = {On the principle of quantum nondemolition measurements}, journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika}, pages = {415--422}, year = {1985}, volume = {65}, number = {3}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TMF_1985_65_3_a8/} }