@article{01730450, title = {Classification of span-symmetric generalized quadrangles of order }, journal = {Advances in Geometry}, volume = {2}, year = {2002}, pages = {189-196}, doi = {10.1515/advg.2002.005}, zbl = {0998.51004}, language = {en}, url = {http://dml.mathdoc.fr/item/01730450} }
Thas, Koen. Classification of span-symmetric generalized quadrangles of order . Advances in Geometry, Tome 2 (2002) pp. 189-196. doi : 10.1515/advg.2002.005. http://gdmltest.u-ga.fr/item/01730450/