%0 Journal Article %A P.G. Becker %A J.W. Sander %T Irrationality and codes. %J Semigroup forum %D 1995 %P 117-124 %V 51 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/SF_1995__51_1_135405/ %F SF_1995__51_1_135405