%0 Journal Article %A K.W. Gruenberg %T Homotopy classes of truncated resolutions. %J Commentarii mathematici Helvetici %D 1993 %P 579-598 %V 68 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1993__68_2_140317/ %F CMH_1993__68_2_140317