@article{PismaZhETF.19.38,
    title = {Highly effective generation of the second and fourth harmonics of high-power picosecond pulses},
    author = {Volosov, V. D. and Krylov, V. N. and Serebryakov, V. A. and Sokolov, D. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {19},
    issue = {1},
    pages = {38},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26938.shtml},
}