@article{GDZPPN002084481,
title = {The nonrelativistic limit for the Weyl quantized Hamlitonians and pseudo-differential operators.},
journal = {Forum mathematicum},
volume = {4},
year = {1992},
pages = {377-382},
zbl = {0755.35161},
url = {http://dml.mathdoc.fr/item/GDZPPN002084481}
}
Nagase, Michihiro; Umeda, Tomio. The nonrelativistic limit for the Weyl quantized Hamlitonians and pseudo-differential operators.. Forum mathematicum, Tome 4 (1992) pp. 377-382. http://gdmltest.u-ga.fr/item/GDZPPN002084481/