@article{PismaZhETF.33.667,
    title = {Note regarding the observation of quark-type fractional electric charges},
    author = {Kancheli, O. V. and Chkareuli, Dzh. L.},
    journal = {Письма в ЖЭТФ},
    volume = {33},
    issue = {12},
    pages = {667},
    year = {1981},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23110.shtml},
}