@article{PismaZhETF.53.246,
    title = {Expression describing the field dependence of the critical current in ceramic high-$T_c$ superconductors over broad field and temperature ranges},
    author = {Andrianov, A. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {53},
    issue = {5},
    pages = {246},
    year = {1991},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17400.shtml},
}