Sotiropoulos, D. A. Dispersion of elastic waves in periodically inhomogeneous media. (English) Zbl 0779.73015 Comput. Mech. 12, No. 3, 134-146 (1993). MSC: 74J20 74E05 PDFBibTeX XMLCite \textit{D. A. Sotiropoulos}, Comput. Mech. 12, No. 3, 134--146 (1993; Zbl 0779.73015) Full Text: DOI
Banerjee, Uday Approximation of eigenvalues of differential equations with non-smooth coefficients. (English) Zbl 0639.65051 RAIRO, Modélisation Math. Anal. Numér. 22, No. 1, 29-51 (1988). Reviewer: Z.Schneider MSC: 65L15 65L60 34L99 PDFBibTeX XMLCite \textit{U. Banerjee}, RAIRO, Modélisation Math. Anal. Numér. 22, No. 1, 29--51 (1988; Zbl 0639.65051) Full Text: DOI EuDML
Horgan, C. O.; Nemat-Nasser, S. Bounds on eigenvalues of Sturm-Liouville problems with discontinuous coefficients. (English) Zbl 0408.34025 Z. angew. Math. Phys. 30, 77-86 (1979). MSC: 34L99 49R50 74J99 PDFBibTeX XMLCite \textit{C. O. Horgan} and \textit{S. Nemat-Nasser}, Z. Angew. Math. Phys. 30, 77--86 (1979; Zbl 0408.34025) Full Text: DOI