@article{PismaZhETF.61.137,
    title = {Mixing of spin and quadrupole subsystems in a magnetic field in connection with the antiferroquadrupole transition in $CeB_6$},
    author = {Danilov, I. Yu. and Maleev, S. V.},
    journal = {Письма в ЖЭТФ},
    volume = {61},
    issue = {2},
    pages = {137},
    year = {1995},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18070.shtml},
}