Georgieva, M., and V. Bakeva. “SOME CHARACTERISTICS OF OUTPUT STREAM OF UNSERVED CUSTOMERS IN GX G 1 AND GDX GD L SYSTEM”. Matematichki Bilten 24, no. 1 (January 1, 2000). Accessed June 13, 2026. https://bilten.smm.org.mk/index.php/bilten/article/view/1652.