@article{PismaZhETF.25.579,
    title = {Cooperative Jahn-Teller transitions with tripling of the period: $CaCuCI_3$},
    author = {Khomskii, D. I.},
    journal = {Письма в ЖЭТФ},
    volume = {25},
    issue = {12},
    pages = {579},
    year = {1977},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21491.shtml},
}