%0 Journal Article %A Michler, G. O. %A Olsson, J. B. %T Weights for Covering Groups of Symmetric and Alternating Groups, р ≠ 2 %J Canadian journal of mathematics %D 1991 %P 792-813 %V 43 %N 4 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1991-045-6/ %R 10.4153/CJM-1991-045-6 %F 10_4153_CJM_1991_045_6