@article{PismaZhETF.40.28,
    title = {Observation of the temperature dependence of the energy gap in $SmB_6$ by the EPR method},
    author = {Al'tshuler, T. S. and Mironov, V. N. and Khaliullin, G. G. and Khomskii, D. I.},
    journal = {Письма в ЖЭТФ},
    volume = {40},
    issue = {1},
    pages = {28},
    year = {1984},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18946.shtml},
}