@article{SM_1990_66_2_a15,
     author = {A. A. Premet},
     title = {Regular {Cartan} subalgebras and nilpotent elements in restricted {Lie} algebras},
     journal = {Sbornik. Mathematics},
     pages = {555--570},
     year = {1990},
     volume = {66},
     number = {2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_1990_66_2_a15/}
}