@article{JCA_2013_20_3_JCA_2013_20_3_a4,
     author = {R. Esp{\'\i}nola and A. Nicolae},
     title = {Uniform {Convexity} of {Geodesic} {Ptolemy} {Spaces}},
     journal = {Journal of convex analysis},
     pages = {689--7},
     publisher = {mathdoc},
     volume = {20},
     number = {3},
     year = {2013},
     url = {http://geodesic.mathdoc.fr/item/JCA_2013_20_3_JCA_2013_20_3_a4/}
}