%0 Journal Article
%A Waldemar Hebisch
%T Sharp pointwise estimate for the kernels of the semigroup generated by sums of even powers of vector fields on homogeneous groups
%J Studia Mathematica
%D 1989
%P 93-106
%V 95
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/sm-95-1-93-106/
%R 10.4064/sm-95-1-93-106
%G en
%F 10_4064_sm_95_1_93_106