%0 Journal Article %A T. Dobrowolski %T Smooth and R-analytic negligibility of subsets and extension of homeomorphisms in Banach spaces %J Studia Mathematica %D 1979 %P 103-114 %V 65 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-65-2-103-114/ %R 10.4064/sm-65-2-103-114 %G en %F 10_4064_sm_65_2_103_114