%0 Journal Article %A Ana Alonso %A Alberto Valli %T Some remarks on the characterization of the space of tangential traces of H(rot; ...) and the construction of an extension operator. %J Manuscripta mathematica %D 1996 %P 159-178 %V 89 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1996__89_3_156156/ %F MM2_1996__89_3_156156