TY  - JOUR
AU  - H. Maehara
TI  - Helly-Type Theorems for Spheres.
JO  - Discrete & computational geometry
PY  - 1989
SP  - 279
EP  - 286
VL  - 4
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DCG_1989__4_6_131079/
ID  - DCG_1989__4_6_131079
ER  -