@article{paperid:1039480, author = {J.I. Fujii and M. Fujii and Sal Moslehian, Mohammad and Y. Seo}, title = {Cauchy--Schwarz inequality in semi-inner product C*-modules via polar decomposition}, journal = {Journal of Mathematical Analysis and Applications}, year = {2012}, volume = {394}, number = {2}, month = {December}, issn = {0022-247X}, pages = {835--840}, numpages = {5}, keywords = {Hilbert $C^*$-module; operator inequality; operator geometric mean; positive operator; Kantorovich inequality}, }