Azeem Irshad, Muhammad Sher, Muhammad Usman Ashraf, Bander A. Alzahrani, Fan Wu 0003, Qi Xie, Saru Kumari. An Improved and Secure Chaotic-Map Based Multi-server Authentication Protocol Based on Lu et al. and Tsai and Lo's Scheme. Wireless Personal Communications, 95(3):3185-3208, 2017. [doi]
Abstract is missing.