TY  - JOUR
AU  - P. Julg
AU  - E. van Erp
TI  - The Geometry of the Osculating Nilpotent Group Structures of the  Heisenberg Calculus
JO  - Journal of Lie Theory
PY  - 2018
SP  - 107
EP  - 138
VL  - 28
IS  - 1
UR  - https://jolt.centre-mersenne.org/articles/10.5802/jolt.996/
DO  - 10.5802/jolt.996
ID  - JOLT_2018_28_1_a6
ER  -