@article{buenoorovio2006,
  title = "Spectral smoothed boundary methods: The role of external boundary conditions",
  author = "Bueno-Orovio, A. and Pérez-García, V.M.",
  year = "2006",
  journal = "Numerical Methods for Partial Differential Equations",
  number = "2",
  pages = "435-448",
  volume = "22",
}