TY  - JOUR
AU  - Leonard F. Richardson
TI  - N-step nilpotent Lie groups with flat Kirillov orbits
JO  - Colloquium Mathematicum
PY  - 1987
SP  - 285
EP  - 287
VL  - 52
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-52-2-285-287/
DO  - 10.4064/cm-52-2-285-287
LA  - en
ID  - 10_4064_cm_52_2_285_287
ER  -