@book{Higham:2008:FM,
  author =       "Nicholas J. Higham",
  title =        "Functions of Matrices: {Theory} and Computation",
  publisher =    "Society for Industrial and Applied Mathematics",
  address =      "Philadelphia, PA, USA",
  year =         "2008",
  pages =        "xx+425",
  isbn =         "978-0-898716-46-7"
        }