@article{10_4153_CMB_2016_064_3,
     author = {Wang, Yuanyi},
     title = {Condition $C_{\hat{\ }}^{'}$, of {Operator} {Spaces}},
     journal = {Canadian mathematical bulletin},
     pages = {217--224},
     year = {2017},
     volume = {60},
     number = {1},
     doi = {10.4153/CMB-2016-064-3},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-2016-064-3/}
}