@article{PismaZhETF.1.42,
    title = {Frequency dependence of the threshold of optical breakdown in air},
    author = {Akhmanov, S. A. and Kovrygin, A. I. and Strukov, M. M. and Khokhlov, R. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {1},
    issue = {1},
    pages = {42},
    year = {1965},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24290.shtml},
}