Recommended Citation
Postprint version. Published in The Mathematical Intelligencer, Volume 34, Issue 2, May 11, 2012, pages 19-26.
The definitive version is available at https://doi.org/10.1007/s00283-012-9297-9.
Copyright
2012 Springer.
Number of Pages
8
COinS
URL: https://digitalcommons.calpoly.edu/rgp_rsr/85