%0 Journal Article
%A Pierre Julg
%A Erik van Erp
%T The Geometry of the Osculating Nilpotent Group Structures of the  Heisenberg Calculus
%J Journal of Lie Theory
%D 2018
%P 107-138
%V 28
%N 1
%U http://geodesic.mathdoc.fr/item/JOLT_2018_28_1_a6/
%F JOLT_2018_28_1_a6