TY - JOUR AU - Bu, Changjiang AU - Wang, Wenzhe AU - Zhou, Jiang AU - Sun, Lizhu TI - On block triangular matrices with signed Drazin inverse JO - Czechoslovak Mathematical Journal PY - 2014 SP - 883 EP - 892 VL - 64 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1007/s10587-014-0141-6/ DO - 10.1007/s10587-014-0141-6 LA - en ID - 10_1007_s10587_014_0141_6 ER -