@article{01369934,
title = {Doubling properties for second order parabolic equations.},
journal = {Annals of Mathematics. Second Series},
volume = {150},
year = {1999},
pages = {313-327},
doi = {10.2307/121104},
zbl = {1157.35391},
language = {en},
url = {http://dml.mathdoc.fr/item/01369934}
}
Safonov, Mikhail V.; Yuan, Yu. Doubling properties for second order parabolic equations.. Annals of Mathematics. Second Series, Tome 150 (1999) pp. 313-327. doi : 10.2307/121104. http://gdmltest.u-ga.fr/item/01369934/