中国科学院数学与系统科学研究院期刊网
AMS
On “Problems on von Neumann Algebras by R. Kadison, 1967”
Li Ming GE (Liming GE)
Acta Mathematica Sinica . 2003, (3): 619 -624 .  DOI: 10.1007/s10114-003-0279-x