@article{PismaZhETF.17.106,
    title = {Nonstationary  Stimulated Scattering by  Polaritons  in Lithium Iodate},
    author = {Karmenyan, K. V. and Chiligaryan, Yu. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {17},
    issue = {2},
    pages = {106},
    year = {1973},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23470.shtml},
}