%0 Journal Article
%A M.W. Bunder
%T Natural Numbers In Illative Combinatory Logic.
%J Revista colombiana de matematicas
%D 1985
%P 31-42
%V 19
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RCM_1985__19_181744/
%F RCM_1985__19_181744