TY - JOUR AU - Rösler, Margit AU - Voit, Michael TI - Partial Characters and Signed Quotient Hypergroups JO - Canadian journal of mathematics PY - 1999 SP - 96 EP - 116 VL - 51 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1999-006-6/ DO - 10.4153/CJM-1999-006-6 ID - 10_4153_CJM_1999_006_6 ER -