@incollection{bakryemery1985,
  author = {Bakry, Dominique and {\'E}mery, Michel},
  title = {Diffusions hypercontractives},
  booktitle = {S{\'e}minaire de Probabilit{\'e}s XIX 1983/84},
  editor = {Az{\'e}ma, Jacques and Yor, Marc},
  series = {Lecture Notes in Mathematics},
  volume = {1123},
  pages = {177--206},
  publisher = {Springer},
  year = {1985},
  doi = {10.1007/BFb0075847},
  url = {https://link.springer.com/chapter/10.1007/BFb0075847}
}