TY  - JOUR
AU  - Katchalski, Meir
AU  - Pach, János
TI  - Touching Convex Sets in the Plane
JO  - Canadian mathematical bulletin
PY  - 1994
SP  - 495
EP  - 504
VL  - 37
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1994-072-1/
DO  - 10.4153/CMB-1994-072-1
ID  - 10_4153_CMB_1994_072_1
ER  -