Long TD, Nga LTK. A VARIANT OF RSA CRYPTOSYSTEM ON THE ENDOMORPHISM RING End(Z_n×Z_(n^k )). hueuni-jns [Internet]. 2018Aug.6 [cited 2024May6];127(1A):101-9. Available from: https://jos.hueuni.edu.vn/index.php/hujos-ns/article/view/4746