@article{PismaZhETF.15.629,
    title = {Superexchange Ordering of Degenerate Orbitals and Magnetic Structure of Dielectrics with Jahn-Teller Ions},
    author = {Kugel', K. I. and Khomskii, D. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {15},
    issue = {10},
    pages = {629},
    year = {1972},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26676.shtml},
}