@article{NUMA_1986__50_133156,
     author = {M.F. Hutchinson and F.R. de Hoog},
     title = {An {Efficient} {Method} for {Calculating} {Smoothing} {Splines} {Using} {Orthogonal} {Transformations.}},
     journal = {Numerische Mathematik},
     pages = {311--320},
     publisher = {mathdoc},
     volume = {50},
     year = {1986},
     zbl = {0633.65011},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1986__50_133156/}
}