TY  - JOUR
AU  - Mikhail V. Safonov
AU  - Yu Yuan
TI  - Doubling properties for second order parabolic equations
JO  - Annals of mathematics
PY  - 1999
VL  - 150
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/AM_1999_150_1_a8/
ID  - AM_1999_150_1_a8
ER  -