TY - JOUR AU - Ashraf, Mohammad TI - Commutativity of associative rings through a Streb's classification JO - Archivum mathematicum PY - 1997 SP - 315 EP - 321 VL - 33 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_1997__33_4_a5/ LA - en ID - ARM_1997__33_4_a5 ER -