@article{PismaZhETF.45.82,
    title = {Types of nonuniform structures, boundary electron states, and chiral anomaly in semiconductors with Dirac bands},
    author = {Pankratov, O. A.},
    journal = {Письма в ЖЭТФ},
    volume = {45},
    issue = {2},
    pages = {82},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18680.shtml},
}