@article{PismaZhETF.43.410,
    title = {Is the resonance in the $\varphi\pi^0$ system near 1.5 GeV a four-quark signal?},
    author = {Achasov, N. N.},
    journal = {Письма в ЖЭТФ},
    volume = {43},
    issue = {9},
    pages = {410},
    year = {1986},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21367.shtml},
}