Cheng J, Tang Y, Yu M. GEOM/GEOM[a]/1/ queue with late arrival system with delayed access and delayed multiple working vacations. YUJOR [Internet]. 2014 Feb. 1 [cited 2025 Aug. 25];24(1):127-43. Available from: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/387