%0 Journal Article
%A Jacek Zienkiewicz
%T Estimates for
  the Hardy–Littlewood maximal function
  on the Heisenberg group
%J Colloquium Mathematicum
%D 2005
%P 199-205
%V 103
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/cm103-2-5/
%R 10.4064/cm103-2-5
%G en
%F 10_4064_cm103_2_5