Hierarchical computation of decentralized gains for interconnected systems. - Tryphon C. Xinogalas; Magdi Sadek Mahmoud; Madan G. Singh (Autom., 1982)

Coordination in hierarchical algorithms. - Tryphon C. Xinogalas; Sastry Dasigi; Madan G. Singh (IEEE Trans. Syst. Man Cybern., 1983)