Elwin Bruno Christoffel (1829-1900)

• Elwin Bruno Christoffel at MacTutor.

• Elwin Bruno Christoffel at the Mathematics Genealogy Project.

• Elwin Bruno Christoffel at Wikipedia.

• 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.