@article{PismaZhETF.27.588,
    title = {Decay of a charmed meson into a heavy lepton, and the mass of the $\nu_\tau$ neutrino},
    author = {Rekalo, M. P.},
    journal = {Письма в ЖЭТФ},
    volume = {27},
    issue = {10},
    pages = {588},
    year = {1978},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23778.shtml},
}