References
- Michigan J. Math. v.34 Lifting of operators and prescribed numbers of negative squares Gr. Arsene, Constantinescu;A. Gheondea
- Trans. Amer. Math. Soc. v.305 Complementation in Krein spaces L. de Branges
- J. Functional Analysis v.98 A. construction of Krein spaces of analytic functions L. de Branges
- Grundlehren der mathematischen Wissenschafte Square summable power series L. de Branges
- unpublished manuscript Comutant lifting in Krein space L. de Branges
- J. Functional Analysis v.89 A lifting theorem for bicontractions M. Dritschel
- Oper. Th.: Adv. Apply. v.47 Extension theorems for contraction operators on Krein spaces M. Dritschel;J. Rovnyak
- Ind. Uni. Math. J. v.40 Julia operators and complementation in Krein spaces M. Dritschel;J. rovnyak