Schaefer, M. Parallel preconditioned conjugate gradient methods for sparse linear systems. (English) Zbl 0729.76536 Z. Angew. Math. Mech. 71, No. 6, T641-T644 (1991). MSC: 76M25 65F50 76R05 PDFBibTeX XMLCite \textit{M. Schaefer}, Z. Angew. Math. Mech. 71, No. 6, T641--T644 (1991; Zbl 0729.76536)
Behr, D.; Schäfer, M. Iterationsverfahren zur Berechnung nichtlinearer Schwingungen mit mehreren Freiheitsgraden. (Iteration method for the computation of nonlinear vibrations with several degrees of freedom.). (German) Zbl 0222.70026 Z. Angew. Math. Mech. 51, Sonderheft, T185 (1971). MSC: 70K40 74H45 PDFBibTeX XMLCite \textit{D. Behr} and \textit{M. Schäfer}, Z. Angew. Math. Mech. 51, T185 (1971; Zbl 0222.70026)