@article{PismaZhETF.69.845,
    title = {Current tensor with heavy photon for double hard photon emission by longitudinally polarized electron},
    author = {Konchatnij, M. and Merenkov, N. P.},
    journal = {Письма в ЖЭТФ},
    volume = {69},
    issue = {12},
    pages = {845},
    year = {1999},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_14431.shtml},
}