@article{PismaZhETF.56.107,
    title = {Diffusion of magnetic flux into $Bi_2Sr_2CaCu_2O_y$ single crystals},
    author = {Zavaritskii, N. V. and Zavaritski, V. N.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {56},
    issue = {2},
    pages = {107},
    year = {1992},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19389.shtml},
}