%0 Journal Article %A Gordon Whyburn %T Developments in topological analysis %J Fundamenta Mathematicae %D 1961 %P 305-318 %V 50 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-50-3-305-318/ %R 10.4064/fm-50-3-305-318 %G en %F 10_4064_fm_50_3_305_318