@article{CRMATH_2014__352_6_507_0,
     author = {Martijn Caspers and Rui Okayasu and Adam Skalski and Reiji Tomatsu},
     title = {Generalisations of the {Haagerup} approximation property to arbitrary von {Neumann} algebras},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {507--510},
     publisher = {Elsevier},
     volume = {352},
     number = {6},
     year = {2014},
     doi = {10.1016/j.crma.2014.04.003},
     language = {en},
}