@article{JCA_2018_25_2_JCA_2018_25_2_a0,
     author = {P. Daniele and F. Giannessi and M. Th\'era},
     title = {Preface},
     journal = {Journal of convex analysis},
     pages = {339--34},
     year = {2018},
     volume = {25},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/JCA_2018_25_2_JCA_2018_25_2_a0/}
}