%0 Journal Article %A Teresa Crespo %A Zbigniew Hajto %T Extensions with Galois group $ {2}^{+}{S}_{4}\ast {D}_{8}$ in characteristic 3 %J Comptes Rendus. Mathématique %D 2008 %P 611-614 %V 346 %N 11-12 %I Elsevier %R 10.1016/j.crma.2008.04.010 %G en %F CRMATH_2008__346_11-12_611_0