Zikov, V. V. Some admissibility and dichotomy questions. The averaging principle. (English) Zbl 0387.34036 Math. USSR, Izv. 10(1976), 1307-1332 (1978). MSC: 34C30 34G10 PDFBibTeX XMLCite \textit{V. V. Zikov}, Math. USSR, Izv. 10, 1307--1332 (1978; Zbl 0387.34036) Full Text: DOI
Zikov, V. V. Gewisse Fragen der Zulässigkeit und Dichotomie. Das Mittelungsprinzip. (Russian) Zbl 0357.34040 Izv. Akad. Nauk SSSR, Ser. Mat. 40, 1380-1408 (1976). MSC: 34C30 34G99 PDFBibTeX XMLCite \textit{V. V. Zikov}, Izv. Akad. Nauk SSSR, Ser. Mat. 40, 1380--1408 (1976; Zbl 0357.34040)
Zikov, V. V. The stability or instability of a Levinson center. (English) Zbl 0294.34037 Differ. Equations 8(1972), 1675-1677 (1974). MSC: 34C30 34D20 PDFBibTeX XMLCite \textit{V. V. Zikov}, Differ. Equations 8, 1675--1677 (1974; Zbl 0294.34037)
Zikov, V. V. The averaging principle for parabolic equations with variable principal term. (English. Russian original) Zbl 0296.35045 Sov. Math., Dokl. 14, 26-30 (1973); translation from Dokl. Akad. Nauk SSSR 208, 32-35 (1973). MSC: 35K35 35B99 34C30 PDFBibTeX XMLCite \textit{V. V. Zikov}, Sov. Math., Dokl. 14, 26--30 (1973; Zbl 0296.35045); translation from Dokl. Akad. Nauk SSSR 208, 32--35 (1973)
Zikov, V. V. Über die Stabilität und Instabilität des Levinsonschen Zentrums. (Russian) Zbl 0272.34063 Differ. Uravn. 8, 2167-2170 (1972). MSC: 34C30 34D20 PDFBibTeX XMLCite \textit{V. V. Zikov}, Differ. Uravn. 8, 2167--2170 (1972; Zbl 0272.34063)