MAKHLOUF, Sassia, Kenza Guenda, and Thomas Aaron Gulliver. 2023. “A New Directed Signature Scheme on a General Linear Group over a Group Ring”. Journal of Innovative Applied Mathematics and Computational Sciences 3 (1):15-27. https://jiamcs.centre-univ-mila.dz/index.php/jiamcs/article/view/v3i1_129.