@article{buenoorovio2006,
  title = "Spectral methods for partial differential equations in irregular domains: The spectral smoothed boundary method",
  author = "Bueno-Orovio, A. and Pérez-García, V.M. and Fenton, F.H.",
  year = "2006",
  journal = "SIAM Journal on Scientific Computing",
  number = "3",
  pages = "886-900",
  volume = "28",
}