Lazăr, Ioan, and Adrian Mureşan. “Generalized Transformations on Ratios of Fibonacci and Lucas Numbers”. Rev. Anal. Numér. Théor. Approx. 24, no. 1 (August 1, 1995): 169–179. Accessed August 10, 2022. https://ictp.acad.ro/jnaat/journal/article/view/1995-vol24-nos1-2-art18.