@article{PismaZhETF.18.428,
    title = {Effective 1.054 $\to$ 1.54 $\mu$ stimulated emission conversion},
    author = {Gapontsev, V. P. and Zhabotinskii, M. E. and Izyneev, A. A. and Kravchenko, V. B. and Rudnitskii, Yu. P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {18},
    issue = {7},
    pages = {428},
    year = {1973},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24011.shtml},
}