@article{LagariasSloane2004,
  author    = {{Jeffrey C. Lagarias and Neil J. A. Sloane}},
  title     = {{Approximate squaring}},
  journal   = {{Experimental Math.}},
  year      = {{2004}},
  volume    = {{13}},
  pages     = {{113--128}},
  note      = {{MR 2005c:11098}},
}