TY  - JOUR
AU  - Katchalski, Meir
TI  - A Helly type Theorem for Convex Sets
JO  - Canadian mathematical bulletin
PY  - 1978
SP  - 121
EP  - 123
VL  - 21
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1978-021-5/
DO  - 10.4153/CMB-1978-021-5
ID  - 10_4153_CMB_1978_021_5
ER  -