%0 Journal Article
%A Jampachon, Prakit
%A Susanti, Yeni
%A Denecke, Klaus
%T Four-part semigroups - semigroups of Boolean operations
%J Discussiones Mathematicae. General Algebra and Applications
%D 2012
%P 115-136
%V 32
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DMGAA_2012_32_1_a5/
%G en
%F DMGAA_2012_32_1_a5