@article{JCA_2012_19_4_JCA_2012_19_4_a14,
     author = {J. P. Revalski and N. V. Zhivkov},
     title = {Best {Approximation} {Problems} in {Compactly} {Uniformly} {Rotund} {Spaces}},
     journal = {Journal of convex analysis},
     pages = {1153--1166},
     publisher = {mathdoc},
     volume = {19},
     number = {4},
     year = {2012},
     url = {http://geodesic.mathdoc.fr/item/JCA_2012_19_4_JCA_2012_19_4_a14/}
}