Bandura A, Petrechko N. Properties of power series of analytic in a bidisc functions of bounded $\mathbf{L}$-index in joint variables. Carpathian Math. Publ. [Internet]. 2017 Jun. 8 [cited 2024 Nov. 22];9(1):6-12. Available from: https://ktipe.pnu.edu.ua/index.php/cmp/article/view/1441