@article{PismaZhETF.6.459,
    title = {Solid State Laser with Mode Selection Within an Active Element},
    author = {Bondarenko, N. G. and Eremina, I. V. and Talanov, V. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {6},
    issue = {1},
    pages = {459},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25233.shtml},
}