Ran, André C. M. Minimal square spectral factors. (English) Zbl 0877.93027 Syst. Control Lett. 24, No. 5, 307-316 (1995). MSC: 93B25 15A23 PDFBibTeX XMLCite \textit{A. C. M. Ran}, Syst. Control Lett. 24, No. 5, 307--316 (1995; Zbl 0877.93027) Full Text: DOI
Ran, A. C. M. State space formulas for a model matching problem. (English) Zbl 0698.93025 Syst. Control Lett. 12, No. 1, 17-21 (1989). MSC: 93B50 93B35 15A24 15A23 93C05 PDFBibTeX XMLCite \textit{A. C. M. Ran}, Syst. Control Lett. 12, No. 1, 17--21 (1989; Zbl 0698.93025) Full Text: DOI
Ball, J. A.; Ran, A. C. M. Hankel norm approximation of real symmetric rational matrix functions. (English) Zbl 0625.93016 Syst. Control Lett. 9, 105-115 (1987). Reviewer: O.Pastravanu MSC: 93B25 15A18 15A60 PDFBibTeX XMLCite \textit{J. A. Ball} and \textit{A. C. M. Ran}, Syst. Control Lett. 9, 105--115 (1987; Zbl 0625.93016) Full Text: DOI