%0 Journal Article %A Dijana Ilišević %T Quadratic functionals on modules over complex Banach $\ast $-algebras with an approximate identity %J Studia Mathematica %D 2005 %P 103-123 %V 171 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4064/sm171-2-1/ %R 10.4064/sm171-2-1 %G en %F 10_4064_sm171_2_1