@article{PismaZhETF.10.116,
    title = {Concerning the Fermi Surface of Niobium},
    author = {Alekseevskii, N. E. and Bertel', K. Kh. and Dubrovin, A. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {10},
    issue = {3},
    pages = {116},
    year = {1969},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25697.shtml},
}