%0 Journal Article %A Bahturin, Yuri %A Kochetov, Mikhail %A Montgomery, Susan %T Polycharacters of Cocommutative Hopf Algebras %J Canadian mathematical bulletin %D 2002 %P 11-24 %V 45 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2002-002-3/ %R 10.4153/CMB-2002-002-3 %F 10_4153_CMB_2002_002_3