Bandura AІ, Skaskiv OB. Boundedness of $L$-index for the composition of entire functions of several variables. Ukr. Mat. Zhurn. [Internet]. 2018 Oct. 25 [cited 2025 Dec. 5];70(10):1334-4. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/1639