TY  - JOUR
AU  - Michihiro Nagase
AU  - Tomio Umeda
TI  - The nonrelativistic limit for the Weyl quantized Hamlitonians and pseudo-differential operators.
JO  - Forum mathematicum
PY  - 1992
SP  - 377
EP  - 382
VL  - 4
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FORUM_1992__4_6_141681/
ID  - FORUM_1992__4_6_141681
ER  -