@article{PismaZhETF.46.385,
    title = {Quantum diffusion of vortices in 2D lattice systems},
    author = {Korshunov, S. E.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {46},
    issue = {10},
    pages = {385},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18620.shtml},
}