@article{assessingthespatiotemporalspreadofcovid,
  title = {Assessing the spatio-temporal spread of COVID-19 via compartmental models with diffusion in Italy, USA, and Brazil},
  author = {Malú Grave and Alex Viguerie and Gabriel F. Barros and Alessandro Reali and Alvaro L. G. A. Coutinho},
  year = {2021},
  eprint = {2102.07208},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2102.07208v1},
}