%0 Journal Article %A Leon Karp %A Isaac Chavel %T Large time behavior of the heat kernel: the parabolic ...-potential alternative. %J Commentarii mathematici Helvetici %D 1991 %P 541-556 %V 66 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMH_1991__66_4_140247/ %F CMH_1991__66_4_140247