1.
Nguyen DT, Pham VD. On the degree of holomorphic mappings from an annulus into an annulus. Ukr. Mat. Zhurn. [Internet]. 2004Aug.25 [cited 2024Sep.1];56(8):1135–1138. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/3828