@article{PismaZhETF.15.725,
    title = {Parametric Generation with CdSe Crystal Pumped by Са$F_2$:Dу$^{2+}$ Laser},
    author = {Davydov, A. A. and Kulevskii, L. A. and Prokhorov, A. M. and Savel'ev, A. D. and Smirnov, V. V.},
    journal = {Письма в ЖЭТФ},
    volume = {15},
    issue = {12},
    pages = {725},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26703.shtml},
}