@article{JMLR:v20:17-621,
  author  = {Bastian Bohn and Michael Griebel and Christian Rieger},
  title   = {A Representer Theorem for Deep Kernel Learning},
  journal = {Journal of Machine Learning Research},
  year    = {2019},
  volume  = {20},
  number  = {64},
  pages   = {1--32},
  url     = {http://jmlr.org/papers/v20/17-621.html}
}