@article{PismaZhETF.13.189,
    title = {Effective Generation of Powerful Coherent Ultraviolet Radiation},
    author = {Norinskii, L. V. and Kolosov, V. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {13},
    issue = {4},
    pages = {189},
    year = {1971},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24057.shtml},
}