@article{PismaZhETF.55.242,
    title = {Oscillations in the work function of a single-crystal $YBa_2Cu_3O_{7-\delta}$ film in a strong magnetic field},
    author = {Nizhankovskii, V. I. and Sheftal', R. N. and Zybtsev, S. G.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {55},
    issue = {4},
    pages = {242},
    year = {1992},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19229.shtml},
}