@inproceedings{sgem2016s07064,
  title = {TWO-FACTOR AUTHENTICATION SYSTEM},
  author = {Gonchik Tsymzhitov},
  booktitle = {SGEM International Multidisciplinary Scientific GeoConference EXPO Proceedings; 16th International Multidisciplinary Scientific GeoConference SGEM2016, Informatics, Geoinformatics and Remote Sensing},
  year = {2016},
  pages = {},
  publisher = {Stef92 Technology},
  doi = {10.5593/sgem2016/b21/s07.064}
}