Gautam Choudhury.Some aspects of an M/G/1 queueing system with optional second service[J].Top,2003,11:141-150.

赵昌华,艾尼.吾甫尔.第二种服务可选的M/G/1排队模型的适定性[J].应用泛函分析学报,2011,13(2):124-135.

Alim Miji,Geni Gupur.Asymptotic Behavior of the Time-Dependent Solution of the M/M/1 Queueing Model with OptionalSecond Service[J].International Journal of Pure and Applied Mathematics,2011,69:289-328.

Geni Gupur,Li Xue-Zhi,Zhu Guang-tian.Functional Analysis Method in Queueing Theory[M].Hertfordshire:ResearchInformation Ltd,2001.

艾尼.吾甫尔,阿布都外力.吉力力.单调函数在具有可选服务的M/G/1排队模型中的应用[J].数学的实践与认识,2010,40(8):245-248.

Geni Gupur.On the M/M/1 queueing model with compulsory server vacations[J].International Journal of Pure and AppliedMathematics,2010,64:253-304.

刘玉链,傅沛仁.数学分析讲义(上册)[M].北京:高等教育出版社,2001.