@article{DAN_1975_224_3_a17,
     author = {I. P. Pavlotsky},
     title = {The {Liouville} theorem for weakly relativistic systems},
     journal = {Doklady Akademii Nauk},
     pages = {563--565},
     publisher = {mathdoc},
     volume = {224},
     number = {3},
     year = {1975},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1975_224_3_a17/}
}