Abo-Zeid, Raafat, Mehmet Gümüş, Ana Catarina Carapito, and Abdul Qadeer Khan. 2025. “On the Well-Defined Solutions of a Nonlinear Difference Equation With Variable Coefficients”. Advances in Analysis and Applied Mathematics 2 (2):132-41. https://doi.org/10.62298/advmath.34.