1. A. R. Forsyth, Messenger of math. (2) 10, 1881, p. 44.
2. Girard 1. c.; s. ferner Ed. Waring, Miscellanea analytica de aequationibus algebraicis et curvarum proprietatibus, Cambridge 1762, p. 1 u. Meditationes algebraicae, Cambr. 1782, p. 1; Claude Pellet, Nouv. Ann. (2) 14, 1875, p. 259
3. Schendel; F. Gomes Teixeira, Nouv. ann. (3) 7, 1888, p. 382 ff.
4. A. Cayley, Mess. of Math. (2) 21, 1892, p. 133 = Coll. Pap. 13, p. 213; Worontzoff, Nouv. ann. (3) 12, 1893, p. 116.
5. Faà di Bruno, Einleitung in die Theorie der binären Formen, deutsch von Th. Walter, Leipzig 1881, p. 9; M. Auric, Nouv. Ann. (3) 9, 1890, p. 561.