%0 Journal Article %A H.C. Cheng %A A.D. Pollington %T A Result from Diophantine Approximation which has Applications in Economics. %J Manuscripta mathematica %D 1981 %P 271-276 %V 35 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1981__35_154795/ %F MM2_1981__35_154795