@article{PismaZhETF.49.566,
    title = {Nelson-Kosterlitz jump in $Bi_2Sr_2CaCu_O_x$, single crystals},
    author = {Artemenko, S. N. and Gorlova, I. G. and Latyshev, Yu. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {49},
    issue = {10},
    pages = {566},
    year = {1989},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16987.shtml},
}