@article{PismaZhETF.11.324,
    title = {Structure of Spectra of Solid-state Lasers in the Free Generation Regime},
    author = {Malyshev, V. I. and Masalov, A. V. and Sychev, A. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {11},
    issue = {7},
    pages = {324},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26125.shtml},
}