HUSSAIN, Eman A.; JASIM, Asmaa Salih. Z-transform solution for nonlinear difference equations. Al-Mustansiriyah Journal of Science, Baghdad, Iraq, v. 32, n. 4, p. 51–56, 2021. DOI: 10.23851/mjs.v32i4.1019. Disponível em: https://mjs.uomustansiriyah.edu.iq/index.php/MJS/article/view/1019.. Acesso em: 3 may. 2024.