@article{TMF_2007_152_2_a13,
     author = {G. Ruggeri},
     title = {Quantum {Gaussian} memory channels},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {390--404},
     publisher = {mathdoc},
     volume = {152},
     number = {2},
     year = {2007},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2007_152_2_a13/}
}