%0 Journal Article %A Frank Mantlik %T Differentiable bundles of subspaces and operators in Banach spaces %J Studia Mathematica %D 1991 %P 41-51 %V 98 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-98-1-41-51/ %R 10.4064/sm-98-1-41-51 %G en %F 10_4064_sm_98_1_41_51