@article{JCA_2013_20_3_JCA_2013_20_3_a11,
     author = {C. A. De Bernardi},
     title = {On {Support} {Points} and {Functionals} of {Unbounded} {Convex} {Sets}},
     journal = {Journal of convex analysis},
     pages = {871--88},
     publisher = {mathdoc},
     volume = {20},
     number = {3},
     year = {2013},
     url = {http://geodesic.mathdoc.fr/item/JCA_2013_20_3_JCA_2013_20_3_a11/}
}