@article{SMJ2_2008_34_3_a1,
     author = {Bendoukha, Berrabah},
     title = {Taylor {Spectrum} and {Characteristic} {Functions} of {Commuting} {2-Contractions}},
     journal = {Serdica Mathematical Journal},
     pages = {543--556},
     year = {2008},
     volume = {34},
     number = {3},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_2008_34_3_a1/}
}