@article{PismaZhETF.52.1096,
    title = {Superconductivity in the La-Ca-Co-O system at 227 K?},
    author = {Tolpygo, S. K. and Morozovskii, A. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {52},
    issue = {9},
    pages = {1096},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17545.shtml},
}