@article{PismaZhETF.17.491,
    title = {Cyclotron Resonance of Non-extremal Orbits},
    author = {Volodin, A. P. and Edel'man, V. S. and Khaikin, M. S.},
    journal = {Письма в ЖЭТФ},
    volume = {17},
    issue = {9},
    pages = {491},
    year = {1973},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23603.shtml},
}