TY - JOUR AU - Rosický, Jiří AU - Trnková, Věra TI - Representability of concrete categories by non-constant morphisms JO - Archivum mathematicum PY - 1989 SP - 115 EP - 118 VL - 25 IS - 1-2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_1989__25_1-2_a15/ LA - en ID - ARM_1989__25_1-2_a15 ER -