[1]
Skaskiv О. B. and M. R. . Lutsishin, “Minimum of the multiple Dirichlet series ”, Ukr. Mat. Zhurn., vol. 44, no. 9, pp. 1295–1297, Oct. 1992, Accessed: Dec. 05, 2025. [Online]. Available: https://umj.imath.kiev.ua/index.php/umj/article/view/8187