@article{PismaZhETF.12.145,
    title = {Intense Power Resonances of a Ring Laser with an Absorbing Cell},
    author = {Basov, N. G. and Belenov, E. M. and Danileiko, M. V. and Nikitin, V. V. and Oraevskii, A. N.},
    journal = {Письма в ЖЭТФ},
    volume = {12},
    issue = {3},
    pages = {145},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26257.shtml},
}