Title Issue Date
Orthogonal projections of the identity: spectral analysis and applications to approximate inverse preconditioning GonzáLez SáNchez, Luis Issued date: 2006 DOI: 10.1137/S0036144504431905 Source: Siam Review [ISSN 0036-1445], v. 48 (1), p. 66-75, (Marzo 2006) JCR: 2,667 - Q1 SCIE Artículo