%0 Journal Article %A H. Enomoto %A N. Enomoto %T Sp-Irreducible Components in the Johnson Cokernels of the Mapping Class Groups of Surfaces, I %J Journal of Lie theory %D 2014 %P 687-704 %V 24 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/JLT_2014_24_3_JLT_2014_24_3_a3/ %F JLT_2014_24_3_JLT_2014_24_3_a3