TY - JOUR AU - Tachikawa, Hiroyuki TI - Loewy coincident algebra and $QF$-3 associated graded algebra JO - Czechoslovak Mathematical Journal PY - 2009 SP - 583 EP - 589 VL - 59 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMJ_2009__59_3_a1/ LA - en ID - CMJ_2009__59_3_a1 ER -