@article{PismaZhETF.19.534,
    title = {Multiple generation of pions in colliding electron-positron beams},
    author = {Dal'karov, O. D. and Khoze, V. A. and Shapiro, I. S.},
    journal = {Письма в ЖЭТФ},
    volume = {19},
    issue = {8},
    pages = {534},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27078.shtml},
}