@article{PismaZhETF.11.246,
    title = {Nonlinear Properties of Thin Superconducting Films},
    author = {Gubankov, V. N. and Likharev, K. K. and Margolin, N. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {11},
    issue = {5},
    pages = {246},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26103.shtml},
}