BodnarD.I., and BilanykI.B. “Parabolic Convergence Regions of Branched Continued Fractions of the Special Form”. Carpathian Mathematical Publications 13, no. 3 (November 20, 2021): 619-630. Accessed March 4, 2024. https://journals.pnu.edu.ua/index.php/cmp/article/view/5412.