@inbook{ScholkopfJPSZMV2013,
  title = {Semi-supervised learning in causal and anticausal settings},
  booktitle = {Empirical Inference},
  pages = {129--141},
  chapter = {13},
  series = {Festschrift in Honor of Vladimir Vapnik},
  editors = {Sch{\"o}lkopf, B., Luo, Z. and Vovk, V.},
  publisher = {Springer},
  year = {2013},
  author = {Sch{\"o}lkopf, B. and Janzing, D. and Peters, J. and Sgouritsa, E. and Zhang, K. and Mooij, J.},
  doi = {10.1007/978-3-642-41136-6_13}
}