Tugal, Zhanlav, and Mijiddorj Renchin-Ochir. “Construction of a Family of \(C^1\) Convex Integro Cubic Splines”. Communications in Mathematics and Applications 11, no. 4 (December 31, 2020): 527–538. Accessed November 25, 2024. http://rgnpublications.com/journals/index.php/cma/article/view/1386.