1. Florian Cajori, A History of Mathematics, (ed. 2), Macmillan, NY, 1919, p. 266.
2. Variations on a theorem of Abel
3. The Vandermonde Matrix
4. Lowell J. Paige, and J. Dean Swift, Elements of Linear Algebra, Ginn & Co., Boston, 1961, p. 109.
5. On the Vandermonde Matrix