Deputat, V., P. Oja, and D. Saveljeva. “Quadratic Spline Subdomain Method for Volterra Integral Equations”. Mathematical Modelling and Analysis 10, no. 4 (December 31, 2005): 335-344. Accessed July 2, 2024. https://jau.vgtu.lt/index.php/MMA/article/view/9689.