Pitkäranta, Juhani Local stability conditions for the Babuska method of Lagrange multipliers. (English) Zbl 0473.65072 Math. Comput. 35, 1113-1129 (1980). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 15 Documents MSC: 65N30 Finite element, Rayleigh-Ritz and Galerkin methods for boundary value problems involving PDEs 35J05 Laplace operator, Helmholtz equation (reduced wave equation), Poisson equation Keywords:Poisson equation; Babuska method; finite elements; Lagrange multipliers; uniform stability; convergence rate PDFBibTeX XMLCite \textit{J. Pitkäranta}, Math. Comput. 35, 1113--1129 (1980; Zbl 0473.65072) Full Text: DOI