@article{1103859623, author = {Hepp, Klaus}, title = {The classical limit for quantum mechanical correlation functions}, journal = {Comm. Math. Phys.}, volume = {35}, number = {1}, year = {1974}, pages = { 265-277}, language = {en}, url = {http://dml.mathdoc.fr/item/1103859623} }
Hepp, Klaus. The classical limit for quantum mechanical correlation functions. Comm. Math. Phys., Tome 35 (1974) no. 1, pp. 265-277. http://gdmltest.u-ga.fr/item/1103859623/