Smoothest interpolation with boundary conditions in $W^3_2[a,b]$. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 106, p. 153–174, 2019. DOI: 10.60063/gsu.fmi.106.153-174. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/32. Acesso em: 14 dec. 2025.