TY - JOUR AU - Hisaaki Fujita TI - Full matrix algebras with structure systems JO - Colloquium Mathematicum PY - 2003 SP - 249 EP - 258 VL - 98 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/cm98-2-9/ DO - 10.4064/cm98-2-9 LA - en ID - 10_4064_cm98_2_9 ER -