%0 Journal Article %A Kahane, Charles S. %T A gradient estimate for solutions of the heat equation. II %J Czechoslovak Mathematical Journal %D 2001 %P 39-44 %V 51 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMJ_2001__51_1_a3/ %G en %F CMJ_2001__51_1_a3