@article{PismaZhETF.8.642,
    title = {Electromagnetic Radius of the Pion},
    author = {Khalfin, L. A. and Shcherbin, Yu. P.},
    journal = {Письма в ЖЭТФ},
    volume = {8},
    issue = {11},
    pages = {642},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26434.shtml},
}