TY - JOUR AU - Zhang, Shuang TI - On the Structure of Projections and Ideals of Corona Algebras JO - Canadian journal of mathematics PY - 1989 SP - 721 EP - 742 VL - 41 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1989-033-4/ DO - 10.4153/CJM-1989-033-4 ID - 10_4153_CJM_1989_033_4 ER -