@article{PismaZhETF.50.241,
    title = {Magnetic properties of $Y_1Ba_2Cu_3O_7$ single crystals and ceramics at T/$T_c$>0.85},
    author = {Zavaritskii, V. N. and Zavaritskii, N. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {50},
    issue = {5},
    pages = {241},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17097.shtml},
}