Mordukhovich, B. Sh. Existence of optimum controls. (English. Russian original) Zbl 0403.49004 J. Sov. Math. 7, 850-886 (1977); translation from Itogi Nauki Tekh., Ser. Sovrem. Probl. Mat. 6, 207-261 (1976). MSC: 49-03 49J15 01A60 PDFBibTeX XMLCite \textit{B. Sh. Mordukhovich}, J. Sov. Math. 7, 850--886 (1976; Zbl 0403.49004); translation from Itogi Nauki Tekh., Ser. Sovrem. Probl. Mat. 6, 207--261 (1976) Full Text: DOI
Gabasov, R.; Kirillova, F. M. Method of optimum control. (English. Russian original) Zbl 0403.49003 J. Sov. Math. 7, 795-849 (1977); translation from Itogi Nauki Tekh., Ser. Sovrem. Probl. Mat. 6, 133-206 (1976). MSC: 49-03 49K15 01A60 PDFBibTeX XMLCite \textit{R. Gabasov} and \textit{F. M. Kirillova}, J. Sov. Math. 7, 795--849 (1976; Zbl 0403.49003); translation from Itogi Nauki Tekh., Ser. Sovrem. Probl. Mat. 6, 133--206 (1976) Full Text: DOI