%0 Journal Article %A T.M. Gendron %T The external fundamental group of an algebraic number field %J Comptes Rendus. Mathématique %D 2008 %P 253-256 %V 346 %N 5-6 %I Elsevier %R 10.1016/j.crma.2008.01.024 %G en %F CRMATH_2008__346_5-6_253_0