@article{JCA_2015_22_2_JCA_2015_22_2_a6,
     author = {R. Haller and J. Langemets and M. P\~oldvere},
     title = {On {Duality} of {Diameter} 2 {Properties}},
     journal = {Journal of convex analysis},
     pages = {465--483},
     year = {2015},
     volume = {22},
     number = {2},
     url = {http://geodesic.mathdoc.fr/item/JCA_2015_22_2_JCA_2015_22_2_a6/}
}