@article{asystematicprocedureforincorporating,
  title = {A systematic procedure for incorporating separable static heterogeneity into compartmental epidemic models},
  author = {Odo Diekmann and Hisashi Inaba},
  year = {2022},
  eprint = {2207.02339},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2207.02339v2},
}