1. Baccelli, F., Makowski, A.M.: Simple Computable Bounds for the Fork-Join Queue. Proc. John Hopkins Conf. Information Sciences and Systems, John Hopkins University, 1985
2. Baccelli, F., Massey, W.A.: Series-Parallel, Fork-Join Queueing Networks and their Stochastic Ordering. Bell Labs. Technical Memorandum 11211-851101-36, November 1985 Murray Hill
3. Brandwajn, A.: Equivalence and Decomposition in Queueing Systems — A Unified Approach. Performance Eval. 5, 175–186 (1985)
4. Carlson, B.C.: Special Functions of Applied Mathematics. New York: Academic Press 1977
5. Chandy, K.M., Herzog, U., Woo, L.: Parametric Analysis of Queueing Networks. IBM J. Res. Develop. 19, 36–42 (1975)