TY - JOUR AU - Biró, Balázs TI - Isomorphism does not imply lower base-isomorphism for nonregular or non-locally finite-dimensional cylindric algebras JO - Commentationes Mathematicae Universitatis Carolinae PY - 1987 SP - 221 EP - 226 VL - 28 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1987__28_2_a3/ LA - en ID - CMUC_1987__28_2_a3 ER -