@article{PismaZhETF.55.256,
    title = {Symmetry group of the kinetic equations for a collisionless plasma},
    author = {Kovalev, V. F. and Krivenko, S. V. and Pustovalov, V. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {55},
    issue = {4},
    pages = {256},
    year = {1992},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19233.shtml},
}