@Article{georgii:2010:sparseMatrix,
  author =       "Joachim Georgii and R{\"u}diger Westermann",
  title =        "A Streaming Approach for Sparse Matrix Products and its Application in Galerkin Multigrid Methods",
  journal =    "Electronic Transactions on Numerical Analysis",
  volume = "37",
  year =         "2010",
  pages = "263--275",
}