1. Inefficiency and correlation;Bartmann;Biometrika,1981
2. The inefficiency of least squares;Bloomfield;Biometrika,1975
3. Extending the Kantorovich inequalities to normal matrices;Davis;Lin. Alg. Appl.,1980
4. Drury , S. W. , Liu , S. , Lu , C.-Y , Puntanen , S. , and Styan , G. P. H. 2002 Some Comments on Several Matrix Inequalities with Applications to Canonical Correlations: Historical Background And Recent Developments 453 507
5. A maximization problem and its application to canonical correlation;Eaton;J. Multivariate Anal.,1976