@article{PismaZhETF.55.598,
    title = {Nonlinear vortex excitations (solitons) in a 2D magnetic material of the YBaCuO type},
    author = {Bar'yakhtar, V. G. and Ivanov, B. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {55},
    issue = {10},
    pages = {598},
    year = {1992},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19321.shtml},
}