@article{JCA_2011_18_3_JCA_2011_18_3_a7,
     author = {S. Z. N\'emeth and A. B. N\'emeth},
     title = {About the {Existence} of an {Isotone} {Retraction} onto a {Convex} {Cone}},
     journal = {Journal of convex analysis},
     pages = {707--72},
     publisher = {mathdoc},
     volume = {18},
     number = {3},
     year = {2011},
     url = {http://geodesic.mathdoc.fr/item/JCA_2011_18_3_JCA_2011_18_3_a7/}
}