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@article{MAN_1993__295_1_165059, author = {Johan F. Aarnes}, title = {Pure quasi-states and extremal quasi-measures.}, journal = {Mathematische Annalen}, pages = {575--588}, publisher = {mathdoc}, volume = {295}, number = {1}, year = {1993}, zbl = {0791.46028}, url = {http://geodesic.mathdoc.fr/item/MAN_1993__295_1_165059/} }
Johan F. Aarnes. Pure quasi-states and extremal quasi-measures.. Mathematische Annalen, Tome 295 (1993) no. 1, pp. 575-588. http://geodesic.mathdoc.fr/item/MAN_1993__295_1_165059/