%0 Journal Article %A Varopoulos, N. TH. %T Diffusion on Lie Groups %J Canadian journal of mathematics %D 1994 %P 438-448 %V 46 %N 2 %U http://geodesic.mathdoc.fr/articles/10.4153/CJM-1994-023-5/ %R 10.4153/CJM-1994-023-5 %F 10_4153_CJM_1994_023_5