Adékambi, Franck, and John Muteba Mwamba. “Asymptotic Tail Probability for the Discounted Aggregate Sums in a Time Dependent Renewal Risk Model”. South African Statistical Journal 49, no. 2 (September 30, 2015): 205–222. Accessed April 3, 2026. https://www.journals.ac.za/index.php/sasj/article/view/5628.