TY - JOUR AU - M. Burger AU - A. Valette TI - Idempotents in Complex Group Rings: Theorems of Zalesskii and Bass Revisited JO - Journal of Lie theory PY - 1998 SP - 219 EP - 228 VL - 8 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/JLT_1998_8_2_a2/ ID - JLT_1998_8_2_a2 ER -