@article{PismaZhETF.61.599,
    title = {Double exchange between chromium ions in a $KZnF_3$:$Cr^{3+},Cr^{2+}$ crystal},
    author = {Eremin, M. V. and Nikitin, S. I. and Silkin, N. I. and Tsvetkov, A. I. and Yusupov, R. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {61},
    issue = {7},
    pages = {599},
    year = {1995},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18237.shtml},
}