@article{IM2_1971_5_4_a3,
     author = {B. Yu. Weisfeiler and V. G. Kac},
     title = {Exponentials in {Lie} algebras of characteristic~$p$},
     journal = {Izvestiya. Mathematics },
     pages = {777--803},
     publisher = {mathdoc},
     volume = {5},
     number = {4},
     year = {1971},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1971_5_4_a3/}
}