@article{MZ_1982__181_173215,
     author = {Nicolas Spaltenstein},
     title = {Nilpotent {Classes} and {Sheets} of {Lie} {Algebras} in {Bad} {Characteristic.}},
     journal = {Mathematische Zeitschrift},
     pages = {31--48},
     publisher = {mathdoc},
     volume = {181},
     year = {1982},
     zbl = {0475.17003},
     url = {http://geodesic.mathdoc.fr/item/MZ_1982__181_173215/}
}