Sjöstrand, Johannes; Zworski, Maciej Asymptotic distribution of resonances for convex obstacles. (English) Zbl 0989.35099 Acta Math. 183, No. 2, 191-253 (1999). Reviewer: Dumitru Motreanu (Perpignan) MSC: 35P20 35A27 35J10 35P25 47F05 58J37 81U05 PDFBibTeX XMLCite \textit{J. Sjöstrand} and \textit{M. Zworski}, Acta Math. 183, No. 2, 191--253 (1999; Zbl 0989.35099) Full Text: DOI
Sjöstrand, Johannes Operators of principal type with interior boundary conditions. (English) Zbl 0253.35076 Acta Math. 130, 1-51 (1973). MSC: 35S05 PDFBibTeX XMLCite \textit{J. Sjöstrand}, Acta Math. 130, 1--51 (1973; Zbl 0253.35076) Full Text: DOI