@article{JCA_2015_22_4_JCA_2015_22_4_a4,
     author = {M. Silhav\'y},
     title = {Differentiability of the {Metric} {Projection} onto a {Convex} {Set} with {Singular} {Boundary} {Points}},
     journal = {Journal of convex analysis},
     pages = {969--997},
     year = {2015},
     volume = {22},
     number = {4},
     url = {http://geodesic.mathdoc.fr/item/JCA_2015_22_4_JCA_2015_22_4_a4/}
}