@article{PismaZhETF.5.355,
    title = {Laser with Frequency Scanning During the Generation Process},
    author = {Kravchenko, V. I. and Soskin, M. S. and Tarabrov, V. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {5},
    issue = {10},
    pages = {355},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25195.shtml},
}