On the error bounds of the Gauss-type quadrature formulae associated with spaces of parabolic and cubic spline functions with double equidistant knots. Annual of Sofia University St. Kliment Ohridski. Faculty of Mathematics and Informatics, [S. l.], v. 112, p. 105–121, 2025. DOI: 10.60063/gsu.fmi.112.105-121. Disponível em: https://annual.uni-sofia.bg/index.php/fmi/article/view/1421. Acesso em: 14 dec. 2025.