IBRAYEVA, A.A.; IBRAEV, Sh.Sh.; TURBAYEV, B.E. Deformations of the three-dimensional Lie algebra sl(2). Bulletin of the Karaganda University. Mathematics Series, [S. l.], v. 97, n. 1, p. 44–51, 2020. DOI: 10.31489/2020m1/44-51. Disponível em: http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/333. Acesso em: 28 aug. 2025.