1. Matrix Analysis;Horn,1985
2. Spectral theory of the linear quadratic optimal control problem; discrete-time single-input case;Jonckheere;IEEE Trans. Circuits and Systems,1978
3. Linear Systems;Kailath,1980
4. The algebraic Riccati equation and inverse spectral problems for rational matrix functions;Lerer;MTNS-89,1989
5. The stabilizing solution of the algebraic Riccati equation;Molinari;SIAM J. Control Optim.,1973