%0 Journal Article %A Halina Sawicka %T On some properties of Post algebras with countable chain of constants %J Colloquium Mathematicum %D 1972 %P 201-209 %V 25 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-25-2-201-209/ %R 10.4064/cm-25-2-201-209 %G en %F 10_4064_cm_25_2_201_209