@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/