The following publications are possibly variants of this publication:
- Nonsymmetric algebraic Riccati theory: A matrix pencil approachMarc Jungers, Cristian Oara. cdc 2009: 1229-1234 [doi]
- General matrix pencil techniques for the solution of algebraic Riccati equations: a unified approachVlad Ionescu, Cristian Oara, Martin Weiss. tac, 42(8):1085-1097, 1997. [doi]
- General Matrix Pencil Techniques for Solving Discrete-Time Nonsymmetric Algebraic Riccati EquationsMarc Jungers, Cristian Oara, Hisham Abou-Kandil, Radu Stefan. siammax, 31(3):1257-1278, 2009. [doi]