TY - JOUR AU - Bru, Rafael AU - Pedroche, Francisco AU - Szyld, Daniel B. TI - Subdirect sums of nonsingular $M$-matrices and of their inverses JO - The electronic journal of linear algebra PY - 2005 SP - 162 EP - 174 VL - 13 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ELA_2005__13__a12/ LA - en ID - ELA_2005__13__a12 ER -