@article{JCA_2013_20_2_JCA_2013_20_2_a14,
     author = {J. Duda and L. Zaj{\'\i}cek},
     title = {Smallness of {Singular} {Sets} of {Semiconvex} {Functions} in {Separable} {Banach} {Spaces}},
     journal = {Journal of convex analysis},
     pages = {573--598},
     publisher = {mathdoc},
     volume = {20},
     number = {2},
     year = {2013},
     url = {http://geodesic.mathdoc.fr/item/JCA_2013_20_2_JCA_2013_20_2_a14/}
}