@article{PismaZhETF.42.258,
    title = {Theory of magnetic structure and electric polarization of the $Cr_2BeO_4$ system},
    author = {Bar'yakhtar, V. G. and Stefanovskii, E. P. and Yablonskii, D. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {42},
    issue = {6},
    pages = {258},
    year = {1985},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21612.shtml},
}