@Article{LippertPetkovPalazzariSchilling2001PC_hyper-systolicMM,
  author =   {Th. Lippert and N. Petkov and P. Palazzari and K. Schilling},
  title =    {Hyper-systolic matrix multiplication},
  journal =  {Parallel Computing},
  year =     {2001},
  volume =   {27},
  number =   {6},
  pages =    {737-759}
}