@article{multilevelphysicsinformedneuralnetworks,
  title = {Multilevel physics informed neural networks (MPINNs)},
  author = {Elisa Riccietti and Valentin Mercier and Serge Gratton and Pierre Boudier},
  year = {2021},
  url = {https://openreview.net/forum?id=g5odb-gVVZY},
}