@inbook{12504,
  author = {Are Bruaset and Hans Langtangen},
  title = {Basic Tools for Linear Algebra},
  year = {1997},
  journal = {Numerical methods and Software Tools in Industrial Mathematics},
  pages = {27-44,},
  publisher = {Birkh{\"a}user},
  editor = {M. D{\ae}hlen and Aslak Tveito},
}