%0 Journal Article %A W. Narkiewicz %T On a certain class of abstract algebras %J Fundamenta Mathematicae %D 1964 %P 115-124 %V 54 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-54-2-115-124/ %R 10.4064/fm-54-2-115-124 %G en %F 10_4064_fm_54_2_115_124