%0 Journal Article %A Erling Folner %T Generalization of the general Diophantine approximation theorem of Kronecker. %J Mathematica Scandinavica %D 1991 %P 148-160 %V 68 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MS2_1991__68_1_167153/ %F MS2_1991__68_1_167153