@article{PismaZhETF.47.625,
    title = {"Oxygen-pump" measurements of the electron state density at the Fermi level in $YBa_2Cu_3O_{7-\delta}$},
    author = {Gerbshtein, Yu. M. and Chudnovskii, F. A. and Andreev, V. N. and Kuz'min, A. K. and Timoshchenko, N. E. and Shokhor, S. L.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {47},
    issue = {12},
    pages = {625},
    year = {1988},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16610.shtml},
}