Numerical Application of Euler's Series Transformation and its Generalizations. W. Niethammer — 1980 Numerische Mathematik
Unendliche Gleichungssysteme mit beliebiger rechter Seite. K. Zeller; W. Niethammer — 1967 Mathematische Zeitschrift
On the Construction of Iteration Methods for Linear Equations in Banach Spaces by Summation Methods. (Short Communication). W. Niethammer; W. Schempp — 1970 Aequationes mathematicae
On the Construction of Iteration Methods for Linear Equations in Banach Spaces by Summation Methods. W. Niethammer; W. Schempp — 1970 Aequationes mathematicae
Optimal Successive Overrelaxation Iterative Methods fo P-Cyclic Matrices. W. Niethammer; M. Eiermann; ... — 1990 Numerische Mathematik
k-Step Iterative Methods for Solving Nonlinear Systems of Equations. W. Niethammer; M.H. Gutknecht — 1986 Numerische Mathematik
The Analysis of k-Step Iterative Methods for Linear Systems from Summability Theory W. Niethammer; R.S. Varga — 1983 Numerische Mathematik
A Study of Semiiterative Methods for Nonsymmetric Systems of Linear Equations. W. Niethammer; R. Varga; M. Eiermann — 1985 Numerische Mathematik
On the Solution of Singular Linear Systems of Algebraic Equations by Semiiterative Methods. W. Niethammer; M. Eiermann; I. Marek — 1988 Numerische Mathematik
On the Acceleration of Limit Periodic Continued Fractions. W., Wietschorke, H. Niethammer — 1984 Numerische Mathematik