@article{PismaZhETF.73.424,
    title = {Do neutrino oscillations allow an extra phenomenological parameter?},
    author = {Tsukerman, I. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {73},
    issue = {8},
    pages = {424},
    year = {2001},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_9817.shtml},
}