@article{PismaZhETF.37.226,
    title = {Quasistatic long-range correlations of Jahn-Teller centers via the phonon field in $K_2ZnF_4$: $Cu^{2+}$ at low temperatures},
    author = {Eremin, M. V. and Ivanova, T. A. and Yablokov, Yu. V. and Gumerov, R. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {37},
    issue = {5},
    pages = {226},
    year = {1983},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_22782.shtml},
}