%0 Journal Article %A Ulrich Rausch %T On a theorem of Dobrowolski about the product of conjugate numbers %J Colloquium Mathematicum %D 1985 %P 137-142 %V 50 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-50-1-137-142/ %R 10.4064/cm-50-1-137-142 %G en %F 10_4064_cm_50_1_137_142