Prestin, Jürgen, and Ewald Quak. “On the Arclength of Trigonometric Interpolants”. Rev. Anal. Numér. Théor. Approx. 30, no. 2 (August 1, 2001): 219–227. Accessed May 10, 2024. https://ictp.acad.ro/jnaat/journal/article/view/2001-vol30-no2-art10.