@article{10_4007_annals_2009_170_427,
     author = {Charles Fefferman},
     title = {Fitting a $C^m$-smooth function to data, {III}},
     journal = {Annals of mathematics},
     pages = {427--441},
     publisher = {mathdoc},
     volume = {170},
     number = {1},
     year = {2009},
     doi = {10.4007/annals.2009.170.427},
     mrnumber = {2521121},
     zbl = {1175.65025},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4007/annals.2009.170.427/}
}