%0 Journal Article %A Ergün Yalçin %T Productive elements in group cohomology %J Homology, homotopy, and applications %D 2011 %P 381-401 %V 13 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4310/HHA.2011.v13.n1.a15/ %R 10.4310/HHA.2011.v13.n1.a15 %G en %F HHA_2011_13_1_a14