Łojasiewicz, Stanisław jun. The existence of optimal feedback in nonlinear control systems. (English) Zbl 0577.49024 Bull. Pol. Acad. Sci., Math. 32, 501-514 (1984). Reviewer: P.Brunovsky MSC: 93B05 93B50 49L20 49J45 34A60 93C10 PDFBibTeX XMLCite \textit{S. Łojasiewicz jun.}, Bull. Pol. Acad. Sci., Math. 32, 501--514 (1984; Zbl 0577.49024)
Łojasiewicz, Stanisław jun. The structure of optimal solutions in non-linear control systems. (English) Zbl 0572.49016 Bull. Pol. Acad. Sci., Math. 32, 485-499 (1984). Reviewer: P.Brunovsky MSC: 93B05 49J45 49L20 34A60 93B50 93C15 PDFBibTeX XMLCite \textit{S. Łojasiewicz jun.}, Bull. Pol. Acad. Sci., Math. 32, 485--499 (1984; Zbl 0572.49016)