@article{1103921843, author = {Christensen, Erik}, title = {Measures on projections and physical states}, journal = {Comm. Math. Phys.}, volume = {83}, number = {1}, year = {1982}, pages = { 529-538}, language = {en}, url = {http://dml.mathdoc.fr/item/1103921843} }
Christensen, Erik. Measures on projections and physical states. Comm. Math. Phys., Tome 83 (1982) no. 1, pp. 529-538. http://gdmltest.u-ga.fr/item/1103921843/