TY - JOUR AU - Rigby, J. F. TI - Collineations, Correlations, Polarities, and Conics JO - Canadian journal of mathematics PY - 1967 SP - 1027 EP - 1041 VL - 19 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1967-094-x/ DO - 10.4153/CJM-1967-094-x ID - 10_4153_CJM_1967_094_x ER -