@article{TMF_1990_82_2_a8,
     author = {L. D. Pustyl'nikov},
     title = {A~new mechanism of~particle acceleration and rotation numbers},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {257--267},
     publisher = {mathdoc},
     volume = {82},
     number = {2},
     year = {1990},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_1990_82_2_a8/}
}