@article{PismaZhETF.16.595,
    title = {Ultrashort SRS Pulses and Multifocus Structure of Light Beams},
    author = {Korobkin, V. V. and Lugovoi, V. N. and Prokhorov, A. M. and Serov, R. V.},
    journal = {Письма в ЖЭТФ},
    volume = {16},
    issue = {11},
    pages = {595},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26856.shtml},
}