TY  - JOUR
AU  - Alexander Lopatnikov
TI  - Asymptotic expansion of the heat kernel for a class of hypoelliptic operators
JO  - Banach Center Publications
PY  - 1992
SP  - 309
EP  - 316
VL  - 27
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/-27-2-309-316/
DO  - 10.4064/-27-2-309-316
LA  - en
ID  - 10_4064__27_2_309_316
ER  -