HASAN, Ayazul. On the Socles of Commutator Invariant Submodules of $QTAG$-Modules. Armenian Journal of Mathematics, Yerevan, Armenia, v. 10, n. 7, p. 1–11, 2018. Disponível em: https://armjmath.sci.am/index.php/ajm/article/view/216. Acesso em: 10 apr. 2025.