@article{JMLR:v21:19-1015,
  author  = {David R. Burt and Carl Edward Rasmussen and Mark van der Wilk},
  title   = {Convergence of Sparse Variational Inference in Gaussian Processes Regression},
  journal = {Journal of Machine Learning Research},
  year    = {2020},
  volume  = {21},
  number  = {131},
  pages   = {1--63},
  url     = {http://jmlr.org/papers/v21/19-1015.html}
}