%0 Journal Article %A A. Sołtysiak %T Capacity of finite systems of elements in Banach algebras %J Commentationes Mathematicae %D 1977 %P 381-387 %V 19 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v19i2.5871/ %R 10.14708/cm.v19i2.5871 %G pl %F 10_14708_cm_v19i2_5871