@article{JCA_2007_14_2_JCA_2007_14_2_a7,
     author = {V. G. Boltyanski and J. J. Castro},
     title = {Centrally {Symmetric} {Convex} {Sets}},
     journal = {Journal of convex analysis},
     pages = {345--351},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/JCA_2007_14_2_JCA_2007_14_2_a7/}
}