@article{PismaZhETF.5.275,
    title = {Superfluidity of the Cosmological Neutrino "Sea"},
    author = {Ginzburg, V. L. and Zharkov, G. F.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {5},
    issue = {8},
    pages = {275},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25168.shtml},
}