Mukhigulashvili, Sulkhan; Půža, Bedřich Lasota-Opial type conditions for periodic problem for systems of higher-order functional differential equations. (English) Zbl 1503.34114 J. Inequal. Appl. 2020, Paper No. 155, 20 p. (2020). MSC: 34K10 34K06 34K13 26D10 PDFBibTeX XMLCite \textit{S. Mukhigulashvili} and \textit{B. Půža}, J. Inequal. Appl. 2020, Paper No. 155, 20 p. (2020; Zbl 1503.34114) Full Text: DOI
Bravyi, Eugene I. On positive periodic solutions of linear second order functional differential equations. (English) Zbl 1362.34108 Georgian Math. J. 24, No. 1, 29-39 (2017). MSC: 34K13 34K06 34K10 34K38 PDFBibTeX XMLCite \textit{E. I. Bravyi}, Georgian Math. J. 24, No. 1, 29--39 (2017; Zbl 1362.34108) Full Text: DOI
Bravyi, E. I. Solvability of the Cauchy problem for higher-order linear functional differential equations. (English. Russian original) Zbl 1253.34071 Differ. Equ. 48, No. 4, 465-476 (2012); translation from Differ. Uravn. 48, No. 4, 459-470 (2012). Reviewer: Zhanyuan Hou (London) MSC: 34K30 34K06 PDFBibTeX XMLCite \textit{E. I. Bravyi}, Differ. Equ. 48, No. 4, 465--476 (2012; Zbl 1253.34071); translation from Differ. Uravn. 48, No. 4, 459--470 (2012) Full Text: DOI
Bravyi, E. I. Solvability of a periodic boundary-value problem for systems of functional differential equations with cyclic matrices. (English. Russian original) Zbl 1234.34042 Russ. Math. 55, No. 10, 13-22 (2011); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2011, No. 10, 17-27 (2011). Reviewer: Jiří Šremr (Brno) MSC: 34K10 34K06 PDFBibTeX XMLCite \textit{E. I. Bravyi}, Russ. Math. 55, No. 10, 13--22 (2011; Zbl 1234.34042); translation from Izv. Vyssh. Uchebn. Zaved., Mat. 2011, No. 10, 17--27 (2011) Full Text: DOI
Bravyi, E. On the solvability of perturbations of linear boundary value problems at resonance for functional differential equations. (English) Zbl 1231.34110 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 74, No. 17, 6387-6396 (2011). Reviewer: George Karakostas (Ioannina) MSC: 34K10 34K06 PDFBibTeX XMLCite \textit{E. Bravyi}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 74, No. 17, 6387--6396 (2011; Zbl 1231.34110) Full Text: DOI
Mukhigulashvili, S. On a periodic boundary value problem for third order linear functional differential equations. (English) Zbl 1109.34046 Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 66, No. 2, 527-535 (2007). MSC: 34K10 34K06 PDFBibTeX XMLCite \textit{S. Mukhigulashvili}, Nonlinear Anal., Theory Methods Appl., Ser. A, Theory Methods 66, No. 2, 527--535 (2007; Zbl 1109.34046) Full Text: DOI
Mukhigulashvili, S. V. On the solvability of the periodic problem for nonlinear second-order function-differential equations. (English. Russian original) Zbl 1136.34327 Differ. Equ. 42, No. 3, 380-390 (2006); translation from Differ. Uravn. 42, No. 3, 356-365 (2006). Reviewer: Jiří Šremr (Brno) MSC: 34K10 34K13 PDFBibTeX XMLCite \textit{S. V. Mukhigulashvili}, Differ. Equ. 42, No. 3, 380--390 (2006; Zbl 1136.34327); translation from Differ. Uravn. 42, No. 3, 356--365 (2006) Full Text: DOI