Negro, A. Application of the Banach-Steinhaus theorem to best approximation of systems. (English) Zbl 0288.93013 Boll. Unione Mat. Ital., IV. Ser. 7, 176-185 (1973). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Documents MSC: 93C05 Linear systems in control theory 93C30 Control/observation systems governed by functional relations other than differential equations (such as hybrid and switching systems) 93C99 Model systems in control theory 49M99 Numerical methods in optimal control PDF BibTeX XML Cite \textit{A. Negro}, Boll. Unione Mat. Ital., IV. Ser. 7, 176--185 (1973; Zbl 0288.93013)