@article{PismaZhETF.5.108,
    title = {Nonstationary Self-focusing of Laser Pulses in a Dissipative Medium},
    author = {Akhmanov, S. A. and Sukhorukov, A. P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {5},
    issue = {4},
    pages = {108},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25113.shtml},
}