BASHEYEVA, A. O. w-independent quasi-equational basis of differential groupoids. Journal of Mathematics, Mechanics and Computer Science, [S. l.], v. 95, n. 3, p. 21–31, 2018. DOI: 10.26577/jmmcs-2017-3-465. Disponível em: https://bm.kaznu.kz/index.php/kaznu/article/view/465. Acesso em: 16 oct. 2024.