@article{MZ_1980__175_173029,
     author = {Richard Dipper},
     title = {Vertices of {Irreducible} {Representations} of {Finite} {Chevalley} {Groups} in the {Describing} {Characteristic.}},
     journal = {Mathematische Zeitschrift},
     pages = {143--160},
     publisher = {mathdoc},
     volume = {175},
     year = {1980},
     zbl = {0432.20008},
     url = {http://geodesic.mathdoc.fr/item/MZ_1980__175_173029/}
}