Behrndt, Jussi; Langer, Matthias Elliptic operators, Dirichlet-to-Neumann maps and quasi boundary triples. (English) Zbl 1331.47067 Hassi, Seppo (ed.) et al., Operator methods for boundary value problems. Cambridge: Cambridge University Press (ISBN 978-1-107-60611-1/pbk; 978-1-139-13506-1/ebook). London Mathematical Society Lecture Note Series 404, 121-160 (2012). Reviewer: Edward L. Pekarev (Odessa) MSC: 47F05 47B25 47N20 PDFBibTeX XMLCite \textit{J. Behrndt} and \textit{M. Langer}, Lond. Math. Soc. Lect. Note Ser. 404, 121--160 (2012; Zbl 1331.47067)
Behrndt, Jussi; Langer, Matthias Boundary value problems for elliptic partial differential operators on bounded domains. (English) Zbl 1132.47038 J. Funct. Anal. 243, No. 2, 536-565 (2007). Reviewer: Alan J. Pryde (Clayton) MSC: 47F05 35J25 47B50 47B25 PDFBibTeX XMLCite \textit{J. Behrndt} and \textit{M. Langer}, J. Funct. Anal. 243, No. 2, 536--565 (2007; Zbl 1132.47038) Full Text: DOI