No CrossRef data available.
Published online by Cambridge University Press: 03 November 2016
* That a node-locus appears as a squared factor in the discriminant has been proved by Hill, (Proc. Lond. Math. Soc., vol. 19), 1889, p. 566, §8);Google Scholar see also Bromwich, and Hudson, (Quarterly Journal, vol. 34, 1902, p. 114)Google Scholar, where it is proved further that an osculating envelope is a squared factor in tile discriminant (p. 111).