Wu, Yahui, Mingxing Liu, Su Deng, Hongbin Huang, and Yiqi Deng. “Optimal Caching Policy of Stochastic Updating Information in Delay Tolerant Networks”. Computing and Informatics 33, no. 5 (February 10, 2015): 965–991. Accessed November 23, 2024. http://147.213.75.17/ojs/index.php/cai/article/view/866.