@article{PismaZhETF.17.405,
    title = {Generation  Regimes  of Solid-state  Ring Laser},
    author = {Klochan, E. L. and Kornienko, L. S. and Kravtsov, N. V. and Lariontsev, E. G. and Shelaev, A. N.},
    journal = {Письма в ЖЭТФ},
    volume = {17},
    issue = {8},
    pages = {405},
    year = {1973},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23579.shtml},
}