@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/