Martirosyan, A. R. “REPRESENTATION IN TERMS OF SERIES OF ONE LIMIT LAW IN THEORY OF QUEUES”. Proceedings of the YSU A: Physical and Mathematical Sciences 42, no. 2 (216) (September 19, 2023): 30–33. Accessed July 22, 2024. https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol42_no2_2008_p030-033.