@article{PismaZhETF.66.129,
    title = {The reaction $e^+e^- \rightarrow \gamma\pi^0 \rightarrow \gamma\nu \bar{\nu}$ as a probe of neutrino mass},
    author = {Konoplich, R. V. and Mignani, R.},
    journal = {Письма в ЖЭТФ},
    volume = {66},
    issue = {3},
    pages = {129},
    year = {1997},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_15434.shtml},
}