Alaa Melhem, Rashid Abu-Dawwas, and Diala Alghazo. “Graded 2r-Ideals”. Results in Nonlinear Analysis 7, no. 4 (November 18, 2024): 64–69. Accessed November 21, 2024. https://nonlinear-analysis.com/index.php/pub/article/view/469.