1. Singular Control Systems;Dai,1989
2. Compensating periodic-time descriptor systems;Bru;Systems Control Lett.,2001
3. Control System Synthesis: A Factorization Approach;Vidyasagar,1985
4. Internal properness and stability in linear systems;Kucera;Kybernetika,1986
5. Z.W. Gao, Research on singular decentralized control systems: structural properties and control synthesis, Ph.D. Thesis, Tianjin University, Tianjin, China, 1996.