@article{PismaZhETF.47.139,
    title = {Heat capacity of high-temperature superconductor $YBa_2Cu_3O_{7-x}$,},
    author = {Alekseevskii, N. E. and Gusev, A. V. and Devyatykh, G. G. and Kabanov, A. V. and Mitin, A. V. and Nizhankovskii, V. I. and Khlybov, E. P.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {47},
    issue = {3},
    pages = {139},
    year = {1988},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16474.shtml},
}