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@article{MZ_1982__179_173133, author = {Wim H. Hesselink}, title = {Special and {Pure} {Gradings} of {Lie} {Algebras.}}, journal = {Mathematische Zeitschrift}, pages = {135--150}, publisher = {mathdoc}, volume = {179}, year = {1982}, zbl = {0455.17007}, url = {http://geodesic.mathdoc.fr/item/MZ_1982__179_173133/} }
Wim H. Hesselink. Special and Pure Gradings of Lie Algebras.. Mathematische Zeitschrift, Tome 179 (1982), pp. 135-150. http://geodesic.mathdoc.fr/item/MZ_1982__179_173133/