@article{PismaZhETF.2.442,
    title = {Critical Temperature of Thin Superconducting Films},
    author = {Kirzhnits, D. A. and Maksimov, E. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {2},
    issue = {9},
    pages = {442},
    year = {1965},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_24637.shtml},
}