%0 Journal Article %A Kadets, Vladimir %A Katkova, Olga %A Martín, Miguel %A Vishnyakova, Anna %T Convexity around the Unit of a Banach Algebra %J Serdica Mathematical Journal %D 2008 %P 619-628 %V 34 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/SMJ2_2008_34_3_a6/ %G en %F SMJ2_2008_34_3_a6