Robust Parallel Smoothing for Multigrid Via Sparse Approximate Inverses. - Oliver Bröker; Marcus J. Grote; Carsten Mayer; Arnold Reusken (SIAM J. Sci. Comput., 2001)

Including Covariances in Calibration to Obtain Better Measurement Uncertainty Estimates. - Oscar Chinellato; Erwin Achermann; Oliver Bröker (SIAM J. Sci. Comput., 2004)

Using Python for large scale linear algebra applications. - Oliver Bröker; Oscar Chinellato; Roman Geus (Future Gener. Comput. Syst., 2005)