Peter J. Green. Regression, curvature and weighted least squares. Math. Program., 42(1-3):41-51, 1988. [doi]
@article{Green88-0, title = {Regression, curvature and weighted least squares}, author = {Peter J. Green}, year = {1988}, doi = {10.1007/BF01589391}, url = {http://dx.doi.org/10.1007/BF01589391}, researchr = {https://researchr.org/publication/Green88-0}, cites = {0}, citedby = {0}, journal = {Math. Program.}, volume = {42}, number = {1-3}, pages = {41-51}, }