Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MM2_1989__63_3_155372, author = {Jia-ping Wang and Xin-tai Yu}, title = {Chebyshev centers, {E-Chebyshev} centers and the {Hausdorff} metric.}, journal = {Manuscripta mathematica}, pages = {115--128}, publisher = {mathdoc}, volume = {63}, number = {3}, year = {1989}, zbl = {0675.41042}, url = {http://geodesic.mathdoc.fr/item/MM2_1989__63_3_155372/} }
Jia-ping Wang; Xin-tai Yu. Chebyshev centers, E-Chebyshev centers and the Hausdorff metric.. Manuscripta mathematica, Tome 63 (1989) no. 3, pp. 115-128. http://geodesic.mathdoc.fr/item/MM2_1989__63_3_155372/