@article{JMLR:v10:kontorovich09a,
  author  = {Leonid (Aryeh) Kontorovich and Boaz Nadler},
  title   = {Universal Kernel-Based Learning with Applications to Regular Languages},
  journal = {Journal of Machine Learning Research},
  year    = {2009},
  volume  = {10},
  number  = {39},
  pages   = {1095--1129},
  url     = {http://jmlr.org/papers/v10/kontorovich09a.html}
}