@article{PismaZhETF.45.396,
    title = {Electron-polaron effects in compounds with an unstable f-shell},
    author = {Kikoin, K. A. and Khomskii, D. I.},
    journal = {Письма в ЖЭТФ},
    volume = {45},
    issue = {8},
    pages = {396},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18790.shtml},
}