Characterization of the Hermite indices of the pair (A+BF, B). - Itziar Baragaña; Victoria Fernández; Ion Zaballa (CDC, 2000)

Linear Systems with Prescribed Similarity Structural Invariants. - Itziar Baragaña; Victoria Fernández; Ion Zaballa (SIAM J. Control. Optim., 2000)

Hermite Indices and Jordan Structure of a Perturbed Linear System. - Itziar Baragaña; Victoria Fernández; Ion Zaballa (SIAM J. Matrix Anal. Appl., 2007)