Boulanger, Ph.; Hayes, M. Acoustic axes for elastic waves in crystals: Theory and applications. (English) Zbl 0921.73099 Proc. R. Soc. Lond., Ser. A, Math. Phys. Eng. Sci. 454, No. 1977, 2323-2346 (1998). Reviewer: E.Syrkin (Khar’kov) MSC: 74J10 74E10 PDFBibTeX XMLCite \textit{Ph. Boulanger} and \textit{M. Hayes}, Proc. R. Soc. Lond., Ser. A, Math. Phys. Eng. Sci. 454, No. 1977, 2323--2346 (1998; Zbl 0921.73099) Full Text: DOI
Boulanger, Ph.; Hayes, M. Bounds on elastic wave speeds in crystals: Theory and applications. (English) Zbl 0926.74048 Proc. R. Soc. Lond., Ser. A, Math. Phys. Eng. Sci. 454, No. 1977, 2289-2322 (1998). Reviewer: D.Stanomir (Bucureşti) MSC: 74J10 74E10 82D25 74E15 PDFBibTeX XMLCite \textit{Ph. Boulanger} and \textit{M. Hayes}, Proc. R. Soc. Lond., Ser. A, Math. Phys. Eng. Sci. 454, No. 1977, 2289--2322 (1998; Zbl 0926.74048) Full Text: DOI