TY  - JOUR
AU  - Philippe Tondeur
AU  - Lieven Vanhecke
TI  - Isometric Reflections with Respect to Submanifolds and the Ricci Operator of Geodesic Spheres.
JO  - Monatshefte für Mathematik
PY  - 1989
SP  - 211
EP  - 218
VL  - 108
IS  - 2-3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MOMA_1989__108_2-3_178446/
ID  - MOMA_1989__108_2-3_178446
ER  -