@article{PismaZhETF.7.153,
    title = {A Possible Explanation of the Small-scale Self- focusing Filaments},
    author = {Lugovoi, V. N. and Prokhorov, A. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {7},
    issue = {5},
    pages = {153},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25602.shtml},
}