@article{NUMA_1978__31_132586,
     author = {G. Wahba and P. Craven},
     title = {Smoothing {Noisy} {Data} with {Spline} {Functions.} {Estimating} the {Correct} {Degree} of {Smoothing} by the {Method} of {Generalized} {Cross-Validation.}},
     journal = {Numerische Mathematik},
     pages = {377--404},
     publisher = {mathdoc},
     volume = {31},
     year = {1978},
     zbl = {0377.65007},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1978__31_132586/}
}