Bodnar, D.I., and I.B. Bilanyk. “Parabolic Convergence Regions of Branched Continued Fractions of the Special Form”. Carpathian Mathematical Publications 13, no. 3 (November 20, 2021): 619–630. Accessed November 23, 2024. https://vps.pnu.edu.ua/index.php/cmp/article/view/5412.