TY - JOUR AU - O. D. Artemovych TI - Differentially trivial and rigid right semi-artinian rings JO - Algebra and discrete mathematics PY - 2004 SP - 17 EP - 22 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ADM_2004_2_a3/ LA - en ID - ADM_2004_2_a3 ER -