@article{PismaZhETF.15.525,
    title = {Frequency Stabilisation of a Gas Laser Using Mode-interaction Effects},
    author = {Basov, N. G. and Gubin, M. A. and Nikitin, V. V. and Protsenko, E. D. and Stepanov, V. A.},
    journal = {Письма в ЖЭТФ},
    volume = {15},
    issue = {9},
    pages = {525},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26649.shtml},
}