%0 Journal Article %A Bendoukha, Berrabah %T Taylor Spectrum and Characteristic Functions of Commuting 2-Contractions %J Serdica Mathematical Journal %D 2008 %P 543-556 %V 34 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SMJ2_2008_34_3_a1/ %G en %F SMJ2_2008_34_3_a1