TY - JOUR AU - G. P. Kapoor TI - Two sufficient conditions for the MacLane class A JO - Colloquium Mathematicum PY - 1971 SP - 123 EP - 129 VL - 37 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-37-1-123-129/ DO - 10.4064/cm-37-1-123-129 LA - en ID - 10_4064_cm_37_1_123_129 ER -