Muflih MW, Jabbar NAA. Some Statistical Characteristics Depending on the Maximum Variance of Solution of Two Dimensional Stochastic Fredholm Integral Equation contains Two Gamma Processes. IHJPAS. 2017;27(1):368-384. Accessed August 17, 2025. https://www.jih.uobaghdad.edu.iq/index.php/j/article/view/401