ACU, A. M.; SOFONEA, D. F. Approximation Properties of Bivariate Extension of q-Stancu-Kantorovich Operators. Journal of Advances in Applied & Computational Mathematics, [S. l.], v. 2, n. 1, p. 13–18, 2015. DOI: 10.15377/2409-5761.2014.02.01.3. Disponível em: https://ijaet-journal.org/index.php/jaacm/article/view/196. Acesso em: 13 jul. 2025.