TY - JOUR AU - Halina Sawicka TI - On some properties of Post algebras with countable chain of constants JO - Colloquium Mathematicum PY - 1972 SP - 201 EP - 209 VL - 25 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm-25-2-201-209/ DO - 10.4064/cm-25-2-201-209 LA - en ID - 10_4064_cm_25_2_201_209 ER -