@article{TMF_1999_119_1_a5,
     author = {O. I. Zavialov and A. M. Malokostov},
     title = {Wigner function for free relativistic particles},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {67--72},
     publisher = {mathdoc},
     volume = {119},
     number = {1},
     year = {1999},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1999_119_1_a5/}
}