@article{1103899887,
author = {Grossmann, A. and Seiler, R.},
title = {Heat equation on phase space and the classical limit of quantum mechanical expectation values},
journal = {Comm. Math. Phys.},
volume = {46},
number = {1},
year = {1976},
pages = { 195-197},
language = {en},
url = {http://dml.mathdoc.fr/item/1103899887}
}
Grossmann, A.; Seiler, R. Heat equation on phase space and the classical limit of quantum mechanical expectation values. Comm. Math. Phys., Tome 46 (1976) no. 1, pp. 195-197. http://gdmltest.u-ga.fr/item/1103899887/