### Elwin Bruno Christoffel (1829-1900)

- Butzer, P. L., An outline of the life and work of E. B.
Christoffel (1829-1900),
*Historia Math.* **8** (1981),
243-276. For those with access, this article may be viewed at
Science Direct.

- Gautschi, W., A survey of Gauss-Christoffel quadrature formulae,
in
*E. B. Christoffel, The Influence of his Work on Mathematics and the
Physical Sciences*, eds. P. L. Butzer, F. Feher, p. 72-147,
Birkhauser, Basel, 1981.

- Wynn, P., The work of E. B. Christoffel on the theory of
continued fractions, in
*E. B. Christoffel, The Influence of his Work
on Mathematics and the Physical Sciences*, eds. P. L. Butzer, F.
Feher, p. 190-202, Birkhauser, Basel, 1981.