%0 Journal Article %A Belaud, Yves %A Helffer, Bernard %A Véron, Laurent %T Long-time vanishing properties of solutions of some semilinear parabolic equations %J Annales de l'I.H.P. Analyse non linéaire %D 2001 %P 43-68 %V 18 %N 1 %I Elsevier %U http://www.numdam.org/item/AIHPC_2001__18_1_43_0/ %G en %F AIHPC_2001__18_1_43_0