%0 Journal Article %A Oukhaba, Hassan %A Viguié, Stéphane %T On the Gras Conjecture for Imaginary Quadratic Fields %J Canadian mathematical bulletin %D 2013 %P 148-160 %V 56 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2011-173-1/ %R 10.4153/CMB-2011-173-1 %F 10_4153_CMB_2011_173_1