%0 Journal Article
%T An improved and efficient mutual authentication scheme for session initiation protocol
%A Kunming Xie
%A Ou Ruan
%A Yuanyuan Zhang
%J Archive of "PLoS ONE".
%D 2019
%R 10.1371/journal.pone.0213688
%U https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6438602/