Zolotarevski, V., and V. Seichiuk. “Approximation of Complex Variable Functions and Applications for Solving Singular Integral Equations”. Rev. Anal. Numér. Théor. Approx. 26, no. 1 (August 1, 1997): 259–268. Accessed December 4, 2024. https://ictp.acad.ro/jnaat/journal/article/view/1997-vol26-nos1-2-art34.