%0 Journal Article %A Camillo Trapani %T $^*$-Representations, seminorms and structure properties of normed quasi $^*$-algebras %J Studia Mathematica %D 2008 %P 47-75 %V 186 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm186-1-6/ %R 10.4064/sm186-1-6 %G en %F 10_4064_sm186_1_6