@article{paperid:1019044, author = {Sal Moslehian, Mohammad}, title = {Operator Aczel inequality}, journal = {Linear Algebra and its Applications}, year = {2011}, volume = {434}, number = {8}, month = {March}, issn = {0024-3795}, pages = {1981--1987}, numpages = {6}, keywords = {Aczel inequality; operator geometric mean; operator concave; operator decreasing; positive linear functional; C*-algebra}, }