BIVARIATE INTERPOLATION BY $(m,n)$–SPLINES. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 95, p. 133–152, 2003. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/183. Acesso em: 15 dec. 2025.