@article{PismaZhETF.47.539,
    title = {Magnitude and anisotropy of the penetration depth in high-temperature superconductors},
    author = {Pokrovskii, V. L},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {47},
    issue = {10},
    pages = {539},
    year = {1988},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16585.shtml},
}