@article{GDZPPN002443287, title = {Simply connected coset complexes for rank 1 groups of Lie type.}, journal = {Mathematische Zeitschrift}, volume = {217}, year = {1994}, pages = {199-214}, zbl = {0829.20032}, url = {http://dml.mathdoc.fr/item/GDZPPN002443287} }
Segev, Yoav. Simply connected coset complexes for rank 1 groups of Lie type.. Mathematische Zeitschrift, Tome 217 (1994) pp. 199-214. http://gdmltest.u-ga.fr/item/GDZPPN002443287/