%0 Journal Article %A Dembowski, Peter %T Generalized Hughes Planes %J Canadian journal of mathematics %D 1971 %P 481-494 %V 23 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1971-051-4/ %R 10.4153/CJM-1971-051-4 %F 10_4153_CJM_1971_051_4