@article{paperid:1021134, author = {Hejazian, Shirin and Mahdavian Rad, Hussein and Mirzavaziri, Madjid}, title = {δ, ε-DOUBLE DERIVATIONS ON BANACH ALGEBRAS}, journal = {Annals of Functional Analysis}, year = {2010}, volume = {1}, number = {2}, month = {December}, issn = {2008-8752}, pages = {103--111}, numpages = {8}, keywords = {derivation; ( sima; tau)-double derivation; automatic continuity}, }