TY  - JOUR
AU  - P.M. Gruber
TI  - A Helmholtz-Lie Type Characterization of Ellipsoids, I .
JO  - Discrete & computational geometry
PY  - 1995
SP  - 517
EP  - 528
VL  - 13
IS  - 3-4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DCG_1995__13_3-4_131377/
ID  - DCG_1995__13_3-4_131377
ER  -