@article{Hennig2015,
  title = {Probabilistic Interpretation of Linear Solvers},
  journal = {SIAM Journal on Optimization},
  volume = {25},
  number = {1},
  pages = {234-260},
  year = {2015},
  author = {Hennig, P.},
  doi = {10.1137/140955501},
  url = {http://epubs.siam.org/toc/sjope8/25/1}
}