Verfahren zur Berechnung des Spektralradius nichtnegativer irreduzibler Matrizen. - Ludwig Elsner (Computing, 1971)

Verfahren zur Berechnung des Spektralradius nichtnegativer irreduzibler Matrizen II. - Ludwig Elsner (Computing, 1972)

On a Generalized Matching Problem Arising in Estimating the Eigenvalue Variation of Two Matrices. - Ludwig Elsner; Charles R. Johnson; J. A. Ross; Johanan Schönheim (Eur. J. Comb., 1983)

On Accurate Computations of the Perron Root. - Ludwig Elsner; I. Koltracht; Michael Neumann; D. Xiao (SIAM J. Matrix Anal. Appl., 1993)

Theory of Decomposition and Bulge-Chasing Algorithms for the Generalized Eigenvalue Problem. - David S. Watkins; Ludwig Elsner (SIAM J. Matrix Anal. Appl., 1994)

Minimization of the norm, the norm of the inverse and the condition number of a matrix by completion. - Ludwig Elsner; Chunyang He; Volker Mehrmann (Numer. Linear Algebra Appl., 1995)

Convex Combinations of Matrices-Nonsingularity and Schur Stability. - Ludwig Elsner; Tomasz Szulc (WNAA, 1996)

Higher Order Logarithmic Derivatives of Matrices in the Spectral Norm. - Rajendra Bhatia; Ludwig Elsner (SIAM J. Matrix Anal. Appl., 2003)

Geršgorin and His Circles by Richard S. Varga. - Ludwig Elsner (Am. Math. Mon., 2006)