Overlapping Multisplitting Preconditioners for the Conjugate Gradient Method. - Rafael Bru; Cristina Corral; José Mas (PPSC, 1993)

Multisplitting Preconditioners Based on Incomplete Choleski Factorizations. - Rafael Bru; Cristina Corral; A. Martínez; José Mas (SIAM J. Matrix Anal. Appl., 1995)

Parallel m-step preconditioners for the conjugate gradient method. - Cristina Corral; Isabel Giménez; José Marín; José Mas (Parallel Comput., 1999)

Schur complement of general H-matrices. - Rafael Bru; Cristina Corral; Isabel Giménez; José Mas (Numer. Linear Algebra Appl., 2009)