Filippov, A. F. Uniqueness of the solution of a system of differential equations unsolved for the derivatives. (English. Russian original) Zbl 1088.34500 Differ. Equ. 41, No. 1, 90-95 (2005); translation from Differ. Uravn. 41, No. 1, 87-92 (2005). Reviewer: Georgii P. Razmyslovich (Minsk) MSC: 34A09 34A12 PDFBibTeX XMLCite \textit{A. F. Filippov}, Differ. Equ. 41, No. 1, 90--95 (2005; Zbl 1088.34500); translation from Differ. Uravn. 41, No. 1, 87--92 (2005) Full Text: DOI
Filippov, A. F. A Lyapunov-type function for generalized dynamical systems without uniqueness. (English. Russian original) Zbl 1089.34529 Differ. Equ. 39, No. 6, 901-903 (2003); translation from Differ. Uravn. 39, No. 6, 852-854 (2003). Reviewer: Alexander O. Ignatyev (Donetsk) MSC: 34D20 34A36 PDFBibTeX XMLCite \textit{A. F. Filippov}, Differ. Equ. 39, No. 6, 901--903 (2003; Zbl 1089.34529); translation from Differ. Uravn. 39, No. 6, 852--854 (2003) Full Text: DOI
Filippov, A. F. The infinitesimal order of perturbations preserving the instability of a singular point. (English. Russian original) Zbl 0990.34050 Differ. Equ. 36, No. 8, 1146-1154 (2000); translation from Differ. Uravn. 36, No. 8, 1037-1044 (2000). Reviewer: Eugene Ershov (St.Peterburg) MSC: 34D30 34D20 34D10 37C75 PDFBibTeX XMLCite \textit{A. F. Filippov}, Differ. Equ. 36, No. 8, 1146--1154 (2000; Zbl 0990.34050); translation from Differ. Uravn. 36, No. 8, 1037--1044 (2000) Full Text: DOI
Filippov, A. F. Stability and instability by the first approximation. (English. Russian original) Zbl 0985.34041 Differ. Equ. 36, No. 4, 529-539 (2000); translation from Differ. Uravn. 36, No. 4, 475-485 (2000). Reviewer: Sergei A.Mazanik (Minsk) MSC: 34D20 34C11 34A60 PDFBibTeX XMLCite \textit{A. F. Filippov}, Differ. Equ. 36, No. 4, 529--539 (2000; Zbl 0985.34041); translation from Differ. Uravn. 36, No. 4, 475--485 (2000) Full Text: DOI