%0 Journal Article %A Vladimír Müller %T Inverse elements in extensions of Banach algebras %J Studia Mathematica %D 1984 %P 191-195 %V 80 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-80-2-191-195/ %R 10.4064/sm-80-2-191-195 %G en %F 10_4064_sm_80_2_191_195