TY  - JOUR
AU  - Bonfiglioli, Andrea
AU  - Lanconelli, Ermanno
AU  - Uguzzoni, Francesco
TI  - Levi’s parametrix for some sub-elliptic non-divergence form operators
JO  - Electronic research announcements of the American Mathematical Society
PY  - 2003
SP  - 10
EP  - 18
VL  - 09
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.1090/S1079-6762-03-00107-0/
DO  - 10.1090/S1079-6762-03-00107-0
ID  - ERAAMS_2003_09_a1
ER  -