%0 Journal Article %A Richard Arens %T Ideals in Banach algebra extensions %J Studia Mathematica %D 1968 %P 29-34 %V 31 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4064/sm-31-1-29-34/ %R 10.4064/sm-31-1-29-34 %G de %F 10_4064_sm_31_1_29_34