WASET
    Areej M. Abduldaim and  Nadia M. G. Al-Saidi,  Generalized π-Armendariz Authentication Cryptosystem.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    August 2017, vol. 129(9). 422 - 427
    [viewed 16 April 2024]. Available from: https://publications.waset.org/pdf/10008011.