@article{theconvexinformationbottlenecklagrangian,
  title = {The Convex Information Bottleneck Lagrangian},
  author = {Borja Rodríguez Gálvez and Ragnar Thobaben and Mikael Skoglund},
  year = {2019},
  eprint = {1911.11000},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1911.11000v2},
}