Hladun, V.R., D.I. Bodnar, and R.S. Rusyn. “Convergence Sets and Relative Stability to Perturbations of a Branched Continued Fraction With Positive Elements”. Carpathian Mathematical Publications 16, no. 1 (March 17, 2024): 16–31. Accessed November 21, 2024. https://ktipe.pnu.edu.ua/index.php/cmp/article/view/7627.