@article{paperid:1021827, author = {Sal Moslehian, Mohammad and Dadipour, Farzad}, title = {Characterization of equality in a generalized Dunkl--Williams inequality}, journal = {Journal of Mathematical Analysis and Applications}, year = {2011}, volume = {384}, number = {2}, month = {December}, issn = {0022-247X}, pages = {204--210}, numpages = {6}, keywords = {Dunkl--Williams inequality; triangle inequality; pre-Hilbert C^* -module}, }