@article{PismaZhETF.38.135,
    title = {State density and heat capacity of Jahn-Teller centers in random fields},
    author = {Ivanov, M. A. and Fishman, A. Ya.},
    journal = {Письма в ЖЭТФ},
    volume = {38},
    issue = {3},
    pages = {135},
    year = {1983},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22573.shtml},
}