Serrano, Hélia, and Ramón F. Álvarez-Estrada. “Mean First-Passage Time in a Sphere Traversed by a Cylinder”. Contemporary Mathematics 6, no. 6 (November 26, 2025): 8458–8484. Accessed December 31, 2025. https://ojs.wiserpub.com/index.php/CM/article/view/8087.