%0 Journal Article
%A Robert W. Quackenbush
%T Some classes of idempotent functions and their compositions
%J Colloquium Mathematicum
%D 1974
%P 71-81
%V 29
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm-29-1-71-81/
%R 10.4064/cm-29-1-71-81
%G en
%F 10_4064_cm_29_1_71_81