@article{PismaZhETF.52.1115,
    title = {Quark and lepton masses in a model with a discrete symmetry},
    author = {Polyakov, N. I.},
    journal = {Письма в ЖЭТФ},
    volume = {52},
    issue = {10},
    pages = {1115},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17550.shtml},
}