@article{PismaZhETF.29.305,
    title = {Probability of decay $\phi\to 2\pi$},
    author = {Budnev, N. M. and Polityko, S. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {29},
    issue = {5},
    pages = {305},
    year = {1979},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22081.shtml},
}