Akram, Tayyaba, Muhammad Abbas, and Ahmad Izani Ismail. “The Application of Quartic Trigonometric B-Spline for Solving Second Order Singular Boundary Value Problems”. Communications in Mathematics and Applications 9, no. 3 (September 25, 2018): 433–445. Accessed April 28, 2024. https://www.rgnpublications.com/journals/index.php/cma/article/view/832.