Kirsiaed, Evely, Peeter Oja, and Gul Wali Shah. “Cubic Spline Histopolation*”. Mathematical Modelling and Analysis 22, no. 4 (July 3, 2017): 514-527. Accessed December 2, 2024. https://mma.vgtu.lt/index.php/MMA/article/view/910.