Precup, Radu. “New Estimates of the Degree of the Comonotone Interpolating Polynomials”. Anal. Numér. Théor. Approx. 15, no. 1 (February 1, 1986): 65–68. Accessed April 11, 2025. https://ictp.acad.ro/jnaat/journal/article/view/1986-vol15-no1-art9.