TY  - JOUR
AU  - R. Connelly
AU  - H. Servatius
TI  - Higher-Order Rigidity ? What Is the Proper Definition?
JO  - Discrete & computational geometry
PY  - 1994
SP  - 193
EP  - 200
VL  - 11
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DCG_1994__11_3_131297/
ID  - DCG_1994__11_3_131297
ER  -