@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/}
}