Calculation of the customer's sojourn time distribution function in M/G_N/1 queue with customized services using roots method
ZOU Xuehua, YU Miaomiao, TANG Yinghui, ZHOU Jie
Operations Research Transactions . 2018, (1): 97 -108 .  DOI: 10.15960/j.cnki.issn.1007-6093.2018.01.008