%0 Journal Article %A Charles Osgood %T A method in diophantine approximation (IV) %J Acta Arithmetica %D 1969 %P 23-40 %V 16 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa-16-1-23-40/ %R 10.4064/aa-16-1-23-40 %G en %F 10_4064_aa_16_1_23_40