On Cohomology Groups of Four-Dimensional Nilpotent Associative Algebras. Baghdad Science Journal, Iraq, Baghdad, v. 19, n. 2, p. 0329, 2022. DOI: 10.21123/bsj.2022.19.2.0329. Disponível em: https://bsj.uobaghdad.edu.iq/index.php/BSJ/article/view/5258.. Acesso em: 23 nov. 2024.