@article{8:82,author={Francesco Dinuzzo and Marta Neve and Giuseppe De Nicolao and Ugo Pietro Gianazza}, Title={On the Representer Theorem and Equivalent Degrees of Freedom of SVR},journal={Journal of Machine Learning Research},volume={8}, url={http://www.jmlr.org/papers/volume8/dinuzzo07a/dinuzzo07a.pdf}}