@article{PismaZhETF.110.81,
    title = {Direct search for keV-sterile neutrino in nuclear decay.  Troitsk nu-mass\\ },
    author = {Nozik, A. A. and Pantuev, V. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {110},
    issue = {2},
    pages = {81},
    year = {2019},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_33540.shtml},
}