DMYTRYSHYN, R.I.; SHARYN, S.V. Approximation of functions of several variables by multidimensional $S$-fractions with independent variables. Carpathian Mathematical Publications, [S. l.], v. 13, n. 3, p. 592–607, 2021. DOI: 10.15330/cmp.13.3.592-607. Disponível em: https://journals.pnu.edu.ua/index.php/cmp/article/view/4995. Acesso em: 19 jul. 2024.