Soykan, Y. “A Study on Generalized Fibonacci Numbers: Sum Formulas $\sum_{k=0}^{n}kx^{k}W_{k}^{3}$ and $\sum_{k=1}^{n}kx^{k}W_{-k}^{3}$ for the Cubes of Terms”. Earthline Journal of Mathematical Sciences, Vol. 4, no. 2, June 2020, pp. 297-31, doi:10.34198/ejms.4220.297331.