TY - JOUR AU - Elena P. Cojuhari TI - An abstract approach to the study of derivation mappings on non-commutative rings JO - Buletinul Academiei de Ştiinţe a Republicii Moldova. Matematica PY - 2007 SP - 107 EP - 117 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/BASM_2007_2_a9/ LA - en ID - BASM_2007_2_a9 ER -