@article{IM_1980__58_142720,
     author = {J. Tits and G.I. Lehrer and C.W. Curtis},
     title = {Spherical {Buildings} and the {Character} of the {Steinberg} {Representation.}},
     journal = {Inventiones mathematicae},
     pages = {201--210},
     publisher = {mathdoc},
     volume = {58},
     year = {1980},
     zbl = {0435.20024},
     url = {http://geodesic.mathdoc.fr/item/IM_1980__58_142720/}
}