TY - JOUR AU - Cecil, Thomas E. AU - Ryan, Patrick J. TI - Conformal Geometry and the Cyclides of Dupin JO - Canadian journal of mathematics PY - 1980 SP - 767 EP - 782 VL - 32 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1980-059-1/ DO - 10.4153/CJM-1980-059-1 ID - 10_4153_CJM_1980_059_1 ER -