@article{SMJ2_2007_33_4_a6,
     author = {Dyn, Nira and Farkhi, Elza and Mokhov, Alona},
     title = {Approximation of {Univariate} {Set-Valued} {Functions} - an {Overview}},
     journal = {Serdica Mathematical Journal},
     pages = {495--514},
     publisher = {mathdoc},
     volume = {33},
     number = {4},
     year = {2007},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_2007_33_4_a6/}
}