@article{PismaZhETF.15.659,
    title = {Stabilization of Ring-Laser Frequency},
    author = {Basov, N. G. and Belenov, E. M. and Vol'nov, M. I. and Gubin, M. A. and Nikitin, V. V. and Troshagin, V. N.},
    journal = {Письма в ЖЭТФ},
    volume = {15},
    issue = {11},
    pages = {659},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26685.shtml},
}