@article{PismaZhETF.33.343,
    title = {Diffusion in two-dimensional crystals},
    author = {Lyuksyutov, I. F. and Pokrovskii, V. L.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {33},
    issue = {6},
    pages = {343},
    year = {1981},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_23025.shtml},
}