SERDYUK, A. S.; STEPANETS, O. I. Approximation of Periodic Analytic Functions by Interpolation Trigonometric Polynomials. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 52, n. 12, p. 1689–1701, 2000. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/4572. Acesso em: 5 dec. 2025.