@article{PismaZhETF.47.109,
    title = {Direct observation of the Abrikosov vortices in the single crystal of a high-temperature superconductor $YBa_2Cu_3O_x$},
    author = {Vinnikov, L. Ya. and Gurevich, L. A. and Emel'chenko, G. A. and Osip'yan, Yu. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {47},
    issue = {2},
    pages = {109},
    year = {1988},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_16464.shtml},
}