@article{Silverman1985,
author = {Silverman, B.W.},
title= {Some aspects of the spline smoothing approach to non‐parametric regression curve fitting},
year = {1985},
doi = {10.1111/j.2517-6161.1985.tb01327.x},
volume = {47},
number = {1},
pages = {1--21},
}