@article{PismaZhETF.103.173,
    title = {Spectrum of secondary electrons emitted during the nuclear  $\boldsymbol{\beta^{-}}$-decay of the tritium atom },
    author = {Frolov, A. M.},
    journal = {Письма в ЖЭТФ},
    volume = {103},
    issue = {3},
    pages = {173},
    year = {2016},
    doi = {10.7868/S0370274X16030036},
    url = {http://jetpletters.ru/ps/dx/10.7868/S0370274X16030036},
    note = {[JETP Letters 103, 157 (2016)]}
}