Kahtan, A. A. A., Sathish, K. C., Sharath, G., & Vasuki, K. R. (2010). On a continued fraction of order twelve. Ukrains’kyi Matematychnyi Zhurnal, 62(12), 1609 - 1619. Retrieved from https://umj.imath.kiev.ua/index.php/umj/article/view/2986