SERDYUK, A. S.; STEPANETS, O. I. On the existence of interpolating $SK$-splines. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 46, n. 11, p. 1546–1553, 1994. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5593. Acesso em: 14 apr. 2025.