%0 Journal Article %A Karol Borsuk %T Remarks on the homotopic join of maps %J Fundamenta Mathematicae %D 1961 %P 195-206 %V 50 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm-50-2-195-206/ %R 10.4064/fm-50-2-195-206 %G en %F 10_4064_fm_50_2_195_206