%0 Journal Article %A T. Niedbalska %T An example of the decomposability semigroup %J Colloquium Mathematicum %D 1978 %P 137-139 %V 39 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-39-1-137-139/ %R 10.4064/cm-39-1-137-139 %G en %F 10_4064_cm_39_1_137_139