TY - JOUR AU - Bahturin, Yuri AU - Kochetov, Mikhail AU - Montgomery, Susan TI - Polycharacters of Cocommutative Hopf Algebras JO - Canadian mathematical bulletin PY - 2002 SP - 11 EP - 24 VL - 45 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2002-002-3/ DO - 10.4153/CMB-2002-002-3 ID - 10_4153_CMB_2002_002_3 ER -