@article{SMJ2_2013_39_3-4_a10,
     author = {Baier, Robert and Farkhi, Elza},
     title = {Regularity of {Set-Valued} {Maps} and their {Selections} through {Set} {Differences.} {Part} 1: {Lipschitz} {Continuity}},
     journal = {Serdica Mathematical Journal},
     pages = {365--390},
     publisher = {mathdoc},
     volume = {39},
     number = {3-4},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_2013_39_3-4_a10/}
}