TY - JOUR AU - Nguyen, Manh Quy TI - A note on subobjects defined by limit construction JO - Commentationes Mathematicae Universitatis Carolinae PY - 1974 SP - 19 EP - 28 VL - 15 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1974__15_1_a1/ LA - en ID - CMUC_1974__15_1_a1 ER -