TY - JOUR AU - Paul Iverson TI - The number of countable isomorphism types of complete extensions of the theory of Boolean algebras JO - Colloquium Mathematicum PY - 1991 SP - 181 EP - 187 VL - 62 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-62-2-181-187/ DO - 10.4064/cm-62-2-181-187 LA - en ID - 10_4064_cm_62_2_181_187 ER -