@article{PismaZhETF.78.265,
    title = {Superconducting spin filter},
    author = {Chtchelkatchev, N. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {78},
    issue = {4},
    pages = {265},
    year = {2003},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_581.shtml},
}