Zhikov, V. V. Fastperiodische Lösungen von Differentialgleichungen im Banachraum. (Russian) Zbl 0179.20403 Teor. Funkts., Funkts. Anal. Prilozh. 4, 176-188 (1967). Reviewer: Ileana Toma (Bucureşti) MSC: 34C27 34G20 47E05 PDFBibTeX XMLCite \textit{V. V. Zhikov}, Teor. Funkts. Funkts. Anal. Prilozh. 4, 176--188 (1967; Zbl 0179.20403)
Lavrent’ev, M. M. Some improperly posed problems of mathematical physics. Translation revised by Robert J. Sacker. (English) Zbl 0149.41902 Springer Tracts in Natural Philosophy. Vol. 11. Berlin-Heidelberg-New York: Springer-Verlag. 72 p. (1967). MSC: 00A05 35R25 65J20 65L08 65M30 65R30 31B20 PDFBibTeX XML