%0 Journal Article %A Wiesław Żelazko %T A non-commutative Banach algebra whose maximal commutative subalgebras are all mutually isomorphic %J Colloquium Mathematicum %D 2017 %P 47-51 %V 146 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm6811-2-2016/ %R 10.4064/cm6811-2-2016 %G en %F 10_4064_cm6811_2_2016