@article{PismaZhETF.15.229,
    title = {Total Cross Sections for the Production of Electronic and Muonic  Pairs in Colliding Electron Beams},
    author = {Kuraev, E. A. and Lipatov, L. N.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {15},
    issue = {4},
    pages = {229},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26536.shtml},
}