%0 Journal Article %A Stéphane R. Louboutin %T Some quartic number fields containing an imaginary quadratic subfield %J Colloquium Mathematicum %D 2011 %P 139-148 %V 122 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm122-1-13/ %R 10.4064/cm122-1-13 %G en %F 10_4064_cm122_1_13