Joseph A. Thas. Characterizations of Generalized Quadrangles by Generalized Homologies. Journal of Combinatorial Theory, Series A, 40(2):331-341, 1985.
@article{Thas85, title = {Characterizations of Generalized Quadrangles by Generalized Homologies}, author = {Joseph A. Thas}, year = {1985}, researchr = {https://researchr.org/publication/Thas85}, cites = {0}, citedby = {0}, journal = {Journal of Combinatorial Theory, Series A}, volume = {40}, number = {2}, pages = {331-341}, }