%0 Journal Article %A Schuster, Seymour %T Axes of Points of Certain Linear Systems of Polarities %J Canadian journal of mathematics %D 1967 %P 1072-1077 %V 19 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-097-1/ %R 10.4153/CJM-1967-097-1 %F 10_4153_CJM_1967_097_1