TY - JOUR AU - Gardner, Barry J. TI - How to make many-sorted algebras one-sorted JO - Commentationes Mathematicae Universitatis Carolinae PY - 1989 SP - 627 EP - 635 VL - 30 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1989__30_4_a1/ LA - en ID - CMUC_1989__30_4_a1 ER -