Strong uniqueness of the restricted Chebyshev center with respect to an <i>RS</i>-set in a Banach space.

Chong Li Strong uniqueness of the restricted Chebyshev center with respect to an <i>RS</i>-set in a Banach space. 35-53 2005 135 Journal of Approximation Theory 1 http://dx.doi.org/10.1016/j.jat.2005.03.003 db/journals/jat/jat135.html#Li05