%0 Journal Article %A H. Bart %A D. Lay %T The stability radius of a bundle of closed linear operators %J Studia Mathematica %D 1979 %P 307-320 %V 66 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-66-3-307-320/ %R 10.4064/sm-66-3-307-320 %G en %F 10_4064_sm_66_3_307_320