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@article{CMH_1977__52_139684, author = {K.S. Brown and P.J. Kahn}, title = {Homotopy dimension and simple cohomological dimension of spaces.}, journal = {Commentarii mathematici Helvetici}, pages = {111--128}, publisher = {mathdoc}, volume = {52}, year = {1977}, zbl = {0351.55009}, url = {http://geodesic.mathdoc.fr/item/CMH_1977__52_139684/} }
K.S. Brown; P.J. Kahn. Homotopy dimension and simple cohomological dimension of spaces.. Commentarii mathematici Helvetici, Tome 52 (1977), pp. 111-128. http://geodesic.mathdoc.fr/item/CMH_1977__52_139684/