@article{PismaZhETF.9.601,
    title = {Corrections to the Gell -Mann - Sharp - Wagner Model for the Meson Decays $\omega \to 3 \pi$, $\omega \to \pi \gamma$, $\pi \to \gamma \gamma$},
    author = {Epifanov, Yu. N. and Filippov, A. J.},
    journal = {Письма в ЖЭТФ},
    volume = {9},
    issue = {10},
    pages = {601},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26039.shtml},
}