%0 Journal Article %A Thomas Diethelm %T On the cohomology of groups of p-length 1. %J Commentarii mathematici Helvetici %D 1983 %P 379-387 %V 58 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1983__58_139946/ %F CMH_1983__58_139946