@article{PismaZhETF.10.313,
    title = {Observation of Self-synchronization of Transverse Modes in a Solid-state Laser.},
    author = {Mak, A. A. and Fromzel', V. A.},
    journal = {Письма в ЖЭТФ},
    volume = {10},
    issue = {7},
    pages = {313},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25733.shtml},
}