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@article{MZ_1968__103_170901, author = {Edward L. jr. Spitznagel}, title = {Terminality of the {Maximal} {Unipotent} {Subgroups} of {Chevalley} {Groups.}}, journal = {Mathematische Zeitschrift}, pages = {112--116}, publisher = {mathdoc}, volume = {103}, year = {1968}, zbl = {0157.05904}, url = {http://geodesic.mathdoc.fr/item/MZ_1968__103_170901/} }
Edward L. jr. Spitznagel. Terminality of the Maximal Unipotent Subgroups of Chevalley Groups.. Mathematische Zeitschrift, Tome 103 (1968), pp. 112-116. http://geodesic.mathdoc.fr/item/MZ_1968__103_170901/