@article{burrage2011efficient,
  title = "An efficient implementation of an implicit FEM scheme for fractional-in-space reaction-diffusion equations",
  author = "Burrage, K. and Hale, N. and Kay, D.",
  year = "2012",
  journal = "SIAM Journal on Scientific Computing",
  pages = "2145--2172",
  publisher = "SIAM",
  volume = "34(4)",
}