@article{PismaZhETF.21.30,
    title = {Width of synchronization band in a 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 = {21},
    issue = {1},
    pages = {30},
    year = {1975},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22251.shtml},
}