TY - JOUR AU - Coppotelli, Fred TI - A Construction of Subequalizers JO - Canadian mathematical bulletin PY - 1973 SP - 433 EP - 433 VL - 16 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-068-4/ DO - 10.4153/CMB-1973-068-4 ID - 10_4153_CMB_1973_068_4 ER -