@article{PismaZhETF.3.468,
    title = {Two-cavity Laser as High-Resolution Spectroscope},
    author = {Basov, N. G. and Oraevskii, A. N. and Strakhovskii, G. M. and Uspenskii, A. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {3},
    issue = {12},
    pages = {468},
    year = {1966},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24802.shtml},
}