%0 Journal Article %A K.S. Brown %A P.J. Kahn %T Homotopy dimension and simple cohomological dimension of spaces. %J Commentarii mathematici Helvetici %D 1977 %P 111-128 %V 52 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1977__52_139684/ %F CMH_1977__52_139684