@article{PismaZhETF.78.141,
    title = {Double $K$-shell ionization of atoms by a single photon},
    author = {Mikhailov, A. I. and Mikhailov, I. A. and Nefiodov, A. V. and Plunien, G. and Soff, G.},
    journal = {Письма в ЖЭТФ},
    volume = {78},
    issue = {3},
    pages = {141},
    year = {2003},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_555.shtml},
}