KOUNCHEV, O.; RENDER, H.; SIMEONOV, G.; TSACHEV, T. Fast Algorithms for Interpolation with Clamped L-Splines of Order Four. Proceedings of the Bulgarian Academy of Sciences, Sofia, Bulgaria, v. 79, n. 8, p. 1022–1029, 2026. DOI: 10.7546/CRABS.2026.08.02. Disponível em: https://proceedings.bas.bg/index.php/cr/article/view/1026. Acesso em: 16 sep. 2026.