%0 Journal Article %A Carl Pomerance %A Lola Thompson %A Andreas Weingartner %T On integers $n$ for which $X^n-1$ has a divisor of every degree %J Acta Arithmetica %D 2016 %P 225-243 %V 175 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/aa8354-6-2016/ %R 10.4064/aa8354-6-2016 %G en %F 10_4064_aa8354_6_2016