%0 Journal Article %A Varopoulos, N. TH. %T Diffusion on Lie Groups (III) %J Canadian journal of mathematics %D 1996 %P 641-672 %V 48 %N 3 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1996-034-x/ %R 10.4153/CJM-1996-034-x %F 10_4153_CJM_1996_034_x