@article{PismaZhETF.51.181,
    title = {A possibility for experimentally observing two-neutrino double beta decay},
    author = {Barabash, A. S.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {51},
    issue = {4},
    pages = {181},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17220.shtml},
}