1. Bauman E.J., Multilevel optimization techniques with application to trajectory decomposition. Adv. Control Syst. 5, 160–222, 1968.
2. Cohen G., Optimization by decomposition and coordination: A unified approach. IEEE Tran. Autom. Control 12, 222–232, 1978.
3. Dantzig G., Wolfe, P., Decomposition principle for linear programs, Operation Research, vol. 8, 101–111, 1960.
4. Drouin M., Abou-Kandil H., Bertrand P., On a new design of hierarchical control structures with output feedbacks. Proc. 3rd Workshop on Hierarchical Control, 1981.
5. Drouin M., Bertrand P., New coordination structure for on line control complex processes. J.L.S.S. 3, 147–157, 1982.