Buhgeim, A. L.; Kardakov, V. B. Lösung des inversen Problems für die Gleichung elastischer Wellen mittels der Methode des sphärischen Mittel. (Russian) Zbl 0389.35042 Sib. Mat. Zh. 19, 749-758 (1978). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 Reviews MSC: 35R30 Inverse problems for PDEs 35L55 Higher-order hyperbolic systems 35C05 Solutions to PDEs in closed form PDF BibTeX XML Cite \textit{A. L. Buhgeim} and \textit{V. B. Kardakov}, Sib. Mat. Zh. 19, 749--758 (1978; Zbl 0389.35042)