%0 Journal Article
%A Beltrametti, Enrico
%A Maczyński, Maciej
%T Effect algebras and ring-like structures
%J Discussiones Mathematicae. General Algebra and Applications
%D 2003
%P 63-79
%V 23
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DMGAA_2003_23_1_a5/
%G en
%F DMGAA_2003_23_1_a5