@article{PismaZhETF.23.374,
    title = {Leptonic decays of heavy pseudoscalar mesons},
    author = {Gershtein, S. S. and Khlopov, M. Yu.},
    journal = {Письма в ЖЭТФ},
    volume = {23},
    issue = {6},
    pages = {374},
    year = {1976},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27528.shtml},
}