@article{PismaZhETF.61.495,
    title = {Quantum tunneling in a magnetic vortex in a 2D easy-plane magnetic material},
    author = {Galkina, E. G. and Ivanov, B. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {61},
    issue = {6},
    pages = {495},
    year = {1995},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18218.shtml},
}