Sontag, Eduardo D. Smooth stabilization implies coprime factorization. (English) Zbl 0682.93045 IEEE Trans. Autom. Control 34, No. 4, 435-443 (1989). Reviewer: A.van der Schaft MSC: 93D15 93B28 47A68 93C10 93D25 × Cite Format Result Cite Review PDF Full Text: DOI Link
Lewis, F. L.; Özçaldiran, K. Geometric structure and feedback in singular systems. (English) Zbl 0674.93015 IEEE Trans. Autom. Control 34, No. 4, 450-455 (1989). MSC: 93B27 34A99 47A15 93C05 15A24 93B55 × Cite Format Result Cite Review PDF Full Text: DOI