@article{PismaZhETF.17.470,
    title = {Superconductivity of Lutecium},
    author = {Nikulin, E. I. and Volkenshtein, N. V. and Staftsev, V. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {17},
    issue = {9},
    pages = {470},
    year = {1973},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23597.shtml},
}