@article{PismaZhETF.2.223,
    title = {Generation of Ultraviolet Radiation by Using Cascade Frequency Conversion},
    author = {Akhanov, S. A. and Kovrigin, A. I. and Piskarskas, A. S. and Khokhlov, R. V.},
    journal = {Письма в ЖЭТФ},
    volume = {2},
    issue = {5},
    pages = {223},
    year = {1965},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24505.shtml},
}