@article{PismaZhETF.58.161,
    title = {Pole approximation for decays of neutral K mesons},
    author = {Azimov, Ya. I.},
    journal = {Письма в ЖЭТФ},
    volume = {58},
    issue = {3},
    pages = {161},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17891.shtml},
}