TY - JOUR AU - Hershkowitz, Daniel AU - Keller, Nathan TI - Spectral properties of sign symmetric matrices JO - The electronic journal of linear algebra PY - 2005 SP - 90 EP - 110 VL - 13 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ELA_2005__13__a19/ LA - en ID - ELA_2005__13__a19 ER -