@article{PismaZhETF.11.394,
    title = {Two-magnon Scatterinig of Light in Antiferromagnetic $KMnF_3$},
    author = {Popkov, Yu. A. and Fomin, V. I. and Beznosikov, B. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {11},
    issue = {8},
    pages = {394},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26145.shtml},
}