Schölkopf, B Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society; Max Planck Institute for Biological Cybernetics, Max Planck Society;
https://link.springer.com/content/pdf/10.1007/PL00013831.pdf (Publisher version)
Smola, A., & Schölkopf, B. (1998). On a Kernel-Based Method for Pattern Recognition, Regression, Approximation, and Operator Inversion. Algorithmica, 22(1-2), 211-231. doi:10.1007/PL00013831.