[1] W. F. Arnold A. Laub: Generalized eigenproblem algorithms and software for algebraic Riccati equations. Proc. of the IEEE, Vol. 72, No. 12 (1984), 1746-1754.
[2] R. Brockett:
Finite Dimensional Linear Systems. John Wiley, New York, 1970.
Zbl 0216.27401
[3] J. Dieudonné:
Foundations of Modern Analysis. Academic Press, New York.
MR 0349288
[4] N. Dunford J. Schwartz: Linear Operators, Vol. I. Interscience. New York, 1957.
[6] G. H. Golub C. F. Van Loan: Matrix Computations. North Oxford Academic, Oxford 1983.
[7] V. Hernández L. Jódar:
Sobre la ecuación cuadrática en operadores $A + BT + TC + TDT=0. Stochastica. Vol. VII, no 2 (1983), 145-154.
MR 0766697
[9] L. Jódar:
Boundary problems for Riccati and Lyapunov equations. Proc. Edinburgh Math. Soc. 29 (1986), 15-21.
MR 0829176
[10] L. Jódar:
Explicit solutions for Sturm Liouville operator problems. Proc. Edinburg Math. Soc., 30(1987), 301-309.
MR 0892699
[11] L. Jódar:
Boundary value problems for second order operator differential equations. Linear Algebra and its Appls., 83 (1986), 29-38.
MR 0862730
[12] L. Jódar:
Boundary value problems and Cauchy problems for the second order Euler operator differential equation. Linear Algebra and its Appls., 91 (1987), 1-14.
MR 0888475
[15] G. G. L. Meyer H. J. Payne:
An iterative method of solution of the algebraic Riccati equation. IEEE Trans. Aut. Control, (1972).
MR 0451679