@article{TMF_1979_41_3_a5,
     author = {K. S. Matviichuk},
     title = {Mathematical description of the states of bose and fermi systems by the method of partial density matrices of the canonical ensemble},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {346--367},
     publisher = {mathdoc},
     volume = {41},
     number = {3},
     year = {1979},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1979_41_3_a5/}
}