TY - JOUR AU - Matsuura, Masaya TI - A generalization of Moore-Penrose biorthogonal systems JO - The electronic journal of linear algebra PY - 2003 SP - 146 EP - 154 VL - 10 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ELA_2003__10__a14/ LA - en ID - ELA_2003__10__a14 ER -