%0 Journal Article
%A N. Hindman
%T Minimal ideals and cancellation in ßN.
%J Semigroup forum
%D 1982
%P 291-310
%V 25
%I mathdoc
%U http://geodesic.mathdoc.fr/item/SF_1982__25_134579/
%F SF_1982__25_134579