Khuri, Suheil A., and Ali M. Sayfy. “Numerical Solution of a Class of Nonlinear System of Second-Order Boundary-Value Problems: A Fourth-Order Cubic Spline Approach”. Mathematical Modelling and Analysis 20, no. 5 (September 28, 2015): 681-700. Accessed November 10, 2024. https://btp.vgtu.lt/index.php/MMA/article/view/1027.