Spectral Portrait of Matrices by Block Diagonalization. - P.-F. Lavallée; Alexander N. Malyshev; Miloud Sadkane (WNAA, 1996)

Pseudospectra of Linear Matrix Pencils by Block Diagonalization. - P.-F. Lavallée; Miloud Sadkane (Computing, 1998)

Computation of Pseudospectra by Spectral Dichotomy Methods in a Parallel Environment. - P.-F. Lavallée; Miloud Sadkane (Numer. Algorithms, 2003)