%0 Journal Article %A Fernández, Julio %T On octahedral extensions of $\mathbb {Q}$ and quadratic $\mathbb {Q}$-curves %J Journal de théorie des nombres de Bordeaux %D 2003 %P 125-131 %V 15 %N 1 %I Université Bordeaux I %U http://archive.numdam.org/item/JTNB_2003__15_1_125_0/ %G en %F JTNB_2003__15_1_125_0