@article{PismaZhETF.16.631,
    title = {New Method of Increasing the Emission Frequency of High-power Las Pulses	},
    author = {Vinogradov, A. V. and Yukov, E. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {16},
    issue = {12},
    pages = {631},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26849.shtml},
}