@article{paperid:1006574, author = {Kamyabi Gol, Rajab Ali and Janfada, Mohammad}, title = {banach algebras related to the elements of the unit ball of a banach Aljebra}, journal = {Taiwanese Journal of Mathematics}, year = {2008}, volume = {12}, number = {7}, month = {December}, issn = {1027-5487}, pages = {1769--1779}, numpages = {10}, keywords = {Banach algebra; Arens regularity; Amenability.}, }