@article{PismaZhETF.79.262,
    title = {Self-compression and catastrophic collapse of photon bullets in vacuum},
    author = {Marklund, M. and Eliasson, B. and Shukla, P. K.},
    journal = {Письма в ЖЭТФ},
    volume = {79},
    issue = {5},
    pages = {262},
    year = {2004},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_4981.shtml},
}