@article{02142911, title = {Extended near hexagons and line systems.}, journal = {Advances in Geometry}, volume = {4}, year = {2004}, pages = {181-214}, doi = {10.1515/advg.2004.013}, zbl = {1068.51008}, language = {en}, url = {http://dml.mathdoc.fr/item/02142911} }
Cuypers, Hans. Extended near hexagons and line systems.. Advances in Geometry, Tome 4 (2004) pp. 181-214. doi : 10.1515/advg.2004.013. http://gdmltest.u-ga.fr/item/02142911/