%0 Journal Article %A Bruen, A. %T Subregular Spreads and Indicator Sets %J Canadian journal of mathematics %D 1975 %P 1141-1148 %V 27 %N 5 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1975-119-4/ %R 10.4153/CJM-1975-119-4 %F 10_4153_CJM_1975_119_4