On The Properties of Approximate Mean Value Analysis Algorithms for Queueing Networks. - Krishna R. Pattipati; Michael M. Kostreva; John L. Teele (SIGMETRICS, 1988)

Approximate Mean Value Analysis Algorithms for Queuing Networks: Existence, Uniqueness, and Convergence Results - Krishna R. Pattipati; Michael M. Kostreva; John L. Teele (J. ACM, 1990)