[1] MR1938796 Reviewed Cao, Yang; Fang, Junsheng; Jiang, Chunlan K-groups of Banach algebras and strongly irreducible decompositions of operators. J. Operator Theory 48 (2002), no. 2, 235–253. (Reviewer: Vladimir M. Deundyak) 47A05 (19K56 46H05 46M20 47L10)