Lokutsievskiy, L. V. The Hamiltonian property of the flow of singular trajectories. (English. Russian original) Zbl 1305.37026 Sb. Math. 205, No. 3, 432-458 (2014); translation from Mat. Sb. 205, No. 3, 133-160 (2014). Reviewer: William J. Satzer jun. (St. Paul) MSC: 37J05 49K15 70H06 70E18 PDFBibTeX XMLCite \textit{L. V. Lokutsievskiy}, Sb. Math. 205, No. 3, 432--458 (2014; Zbl 1305.37026); translation from Mat. Sb. 205, No. 3, 133--160 (2014) Full Text: DOI
Danilin, A. R. Approximation of a singularly perturbed elliptic problem of optimal control. (English. Russian original) Zbl 0983.49018 Sb. Math. 191, No. 10, 1421-1431 (2000); translation from Mat. Sb. 191, No. 10, 3-12 (2000). Reviewer: Uldis Raitums (Riga) MSC: 49K20 35B25 35B37 93C20 49K40 PDFBibTeX XMLCite \textit{A. R. Danilin}, Sb. Math. 191, No. 10, 1421--1431 (2000; Zbl 0983.49018); translation from Mat. Sb. 191, No. 10, 3--12 (2000) Full Text: DOI
Zelikin, M. I.; Zelikina, L. F. The structure of optimal synthesis in a neighbourhood of singular manifolds for problems that are affine in control. (English. Russian original) Zbl 0917.49018 Sb. Math. 189, No. 10, 1467-1484 (1998); translation from Mat. Sb. 189, No. 10, 33-52 (1998). MSC: 49K15 93B50 58E25 PDFBibTeX XMLCite \textit{M. I. Zelikin} and \textit{L. F. Zelikina}, Sb. Math. 189, No. 10, 1467--1484 (1998; Zbl 0917.49018); translation from Mat. Sb. 189, No. 10, 33--52 (1998) Full Text: DOI
Borisov, V. F. Number of limit cycles of the quotient system of the \(n\)-dimensional Fuller problem. (English. Russian original) Zbl 0876.34032 Sb. Math. 187, No. 12, 1737-1753 (1996); translation from Mat. Sb. 187, No. 12, 3-20 (1996). Reviewer: S.Yu.Pilyugin (St.Peterburg) MSC: 34C05 93C15 49J15 PDFBibTeX XMLCite \textit{V. F. Borisov}, Sb. Math. 187, No. 12, 1737--1753 (1996; Zbl 0876.34032); translation from Mat. Sb. 187, No. 12, 3--20 (1996) Full Text: DOI