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@article{MS2_1979__45_166668, author = {Erling Stormer and Edward G. Effros}, title = {Positive projections and {Jordan} structure in operator algebras.}, journal = {Mathematica Scandinavica}, pages = {127--138}, publisher = {mathdoc}, volume = {45}, year = {1979}, zbl = {0455.46059}, url = {http://geodesic.mathdoc.fr/item/MS2_1979__45_166668/} }
Erling Stormer; Edward G. Effros. Positive projections and Jordan structure in operator algebras.. Mathematica Scandinavica, Tome 45 (1979), pp. 127-138. http://geodesic.mathdoc.fr/item/MS2_1979__45_166668/