@article{PismaZhETF.54.270,
    title = {Coulomb energy of excitations in a discrete electronic system},
    author = {Shikin, V.},
    journal = {Письма в ЖЭТФ},
    volume = {54},
    issue = {5},
    pages = {270},
    year = {1991},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18878.shtml},
}