%0 Journal Article %A A. Alexiewicz %T On sequences of operations (III) %J Studia Mathematica %D 1951 %P 84-92 %V 12 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-12-1-84-92/ %R 10.4064/sm-12-1-84-92 %G en %F 10_4064_sm_12_1_84_92