%0 Journal Article %A Nick Dungey %T Heat kernel estimates for a class of higher order operators on Lie groups %J Studia Mathematica %D 2005 %P 71-80 %V 169 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm169-1-5/ %R 10.4064/sm169-1-5 %G en %F 10_4064_sm169_1_5