@article{perez2021variational,
  author    = {Iker Perez and Giuliano Casale},
  title     = {Variational inference for Markovian queueing networks},
  journal   = {Advances in Applied Probability},
  volume    = {53},
  number    = {3},
  pages     = {687--715},
  year      = {2021},
  doi       = {10.1017/apr.2020.72}
}