TURGANBAYEVA, Z. N.; TOKIBETOV, Z. A. About decision’s representations of the first order elliptic systems through harmonious functions. Journal of Mathematics, Mechanics and Computer Science, [S. l.], v. 73, n. 2, p. 56–61, 2012. Disponível em: https://bm.kaznu.kz/index.php/kaznu/article/view/138. Acesso em: 3 jul. 2024.