A remote user authentication scheme without using smart cards.

Hyun Sook Rhee Jeong Ok Kwon Dong Hoon Lee A remote user authentication scheme without using smart cards. 6-13 2009 31 Computer Standards & Interfaces 1 http://dx.doi.org/10.1016/j.csi.2007.11.017 db/journals/csi/csi31.html#RheeKL09