@article{PismaZhETF.58.722,
    title = {Ellipsometric measurement of the superconductive transition in $YχΑ_2σu_3ο_{7-\delta}$ ab-oriented film at wavelength 119/$\mu$ m},
    author = {Sushkov, A. B. and Shulga, S. V. and Tishchenko, E. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {58},
    issue = {9},
    pages = {722},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_4797.shtml},
}