Preconditioned conjugate gradient method for three-dimensional non-convex enclosure geometries with diffuse and grey surfaces. - Naji Qatanani; Monika Schulz (Appl. Math. Comput., 2004)

Analytical and numerical investigation of the Fredholm integral equation for the heat radiation problem. - Naji Qatanani; Monika Schulz (Appl. Math. Comput., 2006)