@article{01730451,
title = {Note on span-symmetric generalized quadrangles.},
journal = {Advances in Geometry},
volume = {2},
year = {2002},
pages = {197-200},
doi = {10.1515/advg.2002.006},
zbl = {0998.51003},
language = {en},
url = {http://dml.mathdoc.fr/item/01730451}
}
Kantor, William M. Note on span-symmetric generalized quadrangles.. Advances in Geometry, Tome 2 (2002) pp. 197-200. doi : 10.1515/advg.2002.006. http://gdmltest.u-ga.fr/item/01730451/