@article{10_4064_fm_101_2_93_110,
     author = {H. Toru\'nczyk},
     title = {Concerning locally homotopy negligible sets and characterization of $l_2$-manifolds},
     journal = {Fundamenta Mathematicae},
     pages = {93--110},
     publisher = {mathdoc},
     volume = {101},
     number = {2},
     year = {1978},
     doi = {10.4064/fm-101-2-93-110},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/fm-101-2-93-110/}
}