@article{MS2_1980__47_166729,
     author = {Hideki Kosaki},
     title = {Positive cones associated with a von {Neumann} algebra.},
     journal = {Mathematica Scandinavica},
     pages = {295--307},
     publisher = {mathdoc},
     volume = {47},
     year = {1980},
     zbl = {0438.46043},
     url = {http://geodesic.mathdoc.fr/item/MS2_1980__47_166729/}
}