%0 Journal Article %A A. Caruth %T On Cohen's theorem %J Colloquium Mathematicum %D 1982 %P 137-141 %V 46 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-46-2-137-141/ %R 10.4064/cm-46-2-137-141 %G de %F 10_4064_cm_46_2_137_141