“Comparison of the Adomian Decomposition Method and Regular Perturbation Method on Nonlinear Equations Second Kind of Volterra”. European Journal of Pure and Applied Mathematics 14, no. 3 (August 5, 2021): 1044–1056. Accessed June 17, 2024. https://www.ejpam.com/index.php/ejpam/article/view/4014.