运用Hille-Yosida定理,Phillips定理与Fattorini定理证明第二种服务可选的M/G/1排队模型存在唯一的概率瞬态解.
By using the Hille-Yosida theorem,Phillips theorem and Fattorini theorem we prove that the M/G/1 queueing model with optional second service has a unique positive time-dependent solution which satisfies probability condition.