TY  - JOUR
AU  - Chuan-yi Xu
TI  - The existence of nonclassical asymptotic expansion of the trace of a heat kernel for a degenerate elliptic operator.
JO  - Mathematische Annalen
PY  - 1989
SP  - 447
EP  - 462
VL  - 285
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAN_1989__285_1_164611/
ID  - MAN_1989__285_1_164611
ER  -