1.
Aghdam A, Karimi F, Najafizadeh A. ON THE SUBGROUPS OF TORSION-FREE GROUPS WHICH ARE SUBRINGS IN EVERY RING. IJPAM [Internet]. 2013 Dec. 31 [cited 2026 Jul. 26];31:63-76. Available from: https://journals.uniurb.it/index.php/ijpam/article/view/6160