Hagstrom, Thomas; Appelö, Daniel Automatic symmetrization and energy estimates using local operators for partial differential equations. (English) Zbl 1124.35013 Commun. Partial Differ. Equations 32, No. 7, 1129-1145 (2007). MSC: 35E15 35B35 PDFBibTeX XMLCite \textit{T. Hagstrom} and \textit{D. Appelö}, Commun. Partial Differ. Equations 32, No. 7, 1129--1145 (2007; Zbl 1124.35013) Full Text: DOI
Hagstrom, T.; Keller, H. B. Domain reduction and asymptotic boundary conditions. (English) Zbl 0677.65120 Computing methods in applied sciences and engineering VII, Proc. 7th Int. Symp., Versailles/France 1985, 173-179 (1986). MSC: 65N45 35J65 35K60 PDFBibTeX XML