Optimal interval enclosing of certain sets of matrices, with application to monotone enclosing of square roots. - Wolfgang Burmeister (Computing, 1980)

On the R-order of coupled sequences II. - Wolfgang Burmeister; Jochen W. Schmidt (Computing, 1982)

On the R-order of coupled sequences III. - W. Burmeister; Jochen W. Schmidt (Computing, 1983)

Determination of the cone radius for positive concave operators. - Wolfgang Burmeister; Jochen W. Schmidt (Computing, 1984)

Convex spline interpolants with minimal curvature. - W. Burmeister; Walter Heß; Jochen W. Schmidt (Computing, 1985)

A strict bound to the condition number of bordered positive definite matrices. - Emilio Spedicato; W. Burmeister (Computing, 1988)