DRONOV, S. G.; LIGUN, A. A. Some duality relations for local splines. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 47, n. 1, p. 12–19, 1995. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/5377. Acesso em: 5 dec. 2025.