中国科学院数学与系统科学研究院期刊网
AMS
Separability for Positive Operators on Tensor Product of Hilbert Spaces
Jin Chuan HOU, Jin Fei CHAI
Acta Mathematica Sinica . 2021, (6): 893 -910 .  DOI: 10.1007/s10114-021-0427-1