TY  - JOUR
AU  - Jia-ping Wang
AU  - Xin-tai Yu
TI  - Chebyshev centers, E-Chebyshev centers and the Hausdorff metric.
JO  - Manuscripta mathematica
PY  - 1989
SP  - 115
EP  - 128
VL  - 63
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MM2_1989__63_3_155372/
ID  - MM2_1989__63_3_155372
ER  -