Dmytryshyn, R.I. “The Multidimensional $g$-Fraction With Nonequivalent Variables Corresponding to the Formal Multiple Power Series”. Carpathian Mathematical Publications 1, no. 2 (December 30, 2009): 145–151. Accessed November 22, 2024. https://vps.pnu.edu.ua/index.php/cmp/article/view/4009.