@article{TMF_1976_27_2_a4,
     author = {V. A. Franke},
     title = {On~the general form of the dynamical transformation of density matrices},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {172--183},
     publisher = {mathdoc},
     volume = {27},
     number = {2},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1976_27_2_a4/}
}