- A student asks,
- Is there a short proof of Cauchy's Polygonal Number Theorem?

- MathHelp replies,
- Some googling turned up the references listed below.

## External referencesEdit

- A Short Proof of Cauchy's Polygonal Number Theorem by Melvyn B. Nathanson, published in the Proceedings of the American Mathematical Society, Vol. 99, No. 1. (Jan., 1987), pp. 22-24.
- A Short Proof of Cauchy's Polygonal Number Theorem (a mirror of the same article)