@article{TMF_1976_27_3_a13,
     author = {N. A. Denisova},
     title = {Wigner's quantum distribution function in spherical coordinates},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {418--424},
     publisher = {mathdoc},
     volume = {27},
     number = {3},
     year = {1976},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1976_27_3_a13/}
}