JOHN, ENO D., and NKEM OGBONNA. “A DOUBLE EXPONENTIAL SINC COLLOCATION METHOD FOR VOLTERRA-FREDHOLM INTEGRAL EQUATIONS OF THE SECOND KIND”. Journal of the Nigerian Mathematical Society 35, no. 3 (January 28, 2017): 408–423. Accessed April 23, 2024. https://ojs.ictp.it/jnms/index.php/jnms/article/view/39.