TY - JOUR TI - Trace Functions in the Ring of Fractions of Polycyclic Group Rings, II JO - Canadian journal of mathematics PY - 1997 SP - 788 EP - 797 VL - 49 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1997-039-1/ DO - 10.4153/CJM-1997-039-1 ID - 10_4153_CJM_1997_039_1 ER -