@article{PismaZhETF.10.479,
    title = {Amplification of an Ultrashort Pulse in a Two-component Medium},
    author = {Basov, N. G. and Kryukov, P. G. and Letokhov, V. S. and Matveets, Yu. A. and Chekalin, S. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {10},
    issue = {10},
    pages = {479},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25762.shtml},
}