TY - JOUR AU - Michler, Gerhard TI - Idempotent Ideals in Perfect Rings JO - Canadian journal of mathematics PY - 1969 SP - 301 EP - 309 VL - 21 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1969-031-0/ DO - 10.4153/CJM-1969-031-0 ID - 10_4153_CJM_1969_031_0 ER -