@article{PismaZhETF.47.478,
    title = {New high-temperature superconductor $Bi_1Ca_1Sr_{0.7}AI_{0.5}Cu_4O_y$},
    author = {Aleksandrov, K. S. and Vasil'ev, A. D. and Zvegintsev, S. A. and Petrov, M. I. and Khrustalev, B. P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {47},
    issue = {9},
    pages = {478},
    year = {1988},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16567.shtml},
}