@TechReport{vdH:zmatmult-pre,
  author = 	 {Harvey, D. and Hoeven, J. van der},
  title = 	 {On the complexity of integer matrix multiplication},
  institution =  {HAL},
  year = 	 {2014},
  note = 	 {\verb|http://hal.archives-ouvertes.fr/hal-01071191|,
                  accepted for publication in JSC}
}

@Article{vdH:zmatmult,
  author = 	 {Harvey, D. and Hoeven, J. van der},
  title = 	 {On the complexity of integer matrix multiplication},
  journal =      {JSC},
  year =         {2018},
  volume =       {89},
  pages =        {1--8}
}