@article{PismaZhETF.51.630,
    title = {Observation of penetration of Abrikosov vortices into superconducting niobium films with the help of a Josephson tunnel junction},
    author = {Gubankov, V. N. and Lisitskii, M. P. and Serpuchenko, I. L. and Sklokin, F. N.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {51},
    issue = {12},
    pages = {630},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17702.shtml},
}