@article{SMJ2_2002_28_4_a4,
     author = {von Golitschek, Manfred and Schumaker, Larry},
     title = {Penalized {Least} {Squares} {Fitting}},
     journal = {Serdica Mathematical Journal},
     pages = {329--348},
     year = {2002},
     volume = {28},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SMJ2_2002_28_4_a4/}
}