@article{JCA_2007_14_2_JCA_2007_14_2_a1,
     author = {K. Nikodem and Z. P\'ales},
     title = {Generalized {Convexity} and {Separation} {Theorems}},
     journal = {Journal of convex analysis},
     pages = {239--247},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/JCA_2007_14_2_JCA_2007_14_2_a1/}
}