TY - JOUR AU - da Fonseca, C.M. TI - On a conjecture regarding characteristic polynomial of a matrix pair JO - The electronic journal of linear algebra PY - 2005 SP - 157 EP - 161 VL - 13 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ELA_2005__13__a13/ LA - en ID - ELA_2005__13__a13 ER -