@article{JCA_2011_18_2_JCA_2011_18_2_a20,
     author = {C. Nour and R. J. Stern and J. Takche},
     title = {Validity of the {Union} of {Uniform} {Closed} {Balls} {Conjecture}},
     journal = {Journal of convex analysis},
     pages = {589--6},
     publisher = {mathdoc},
     volume = {18},
     number = {2},
     year = {2011},
     url = {http://geodesic.mathdoc.fr/item/JCA_2011_18_2_JCA_2011_18_2_a20/}
}