%0 Journal Article %A H. Toruńczyk %T Concerning locally homotopy negligible sets and characterization of $l_2$-manifolds %J Fundamenta Mathematicae %D 1978 %P 93-110 %V 101 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-101-2-93-110/ %R 10.4064/fm-101-2-93-110 %G en %F 10_4064_fm_101_2_93_110