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- [3] ON THE INVERSION OF THE SAMPLE COVARIANCE-MATRIX IN A STATIONARY AUTOREGRESSIVE PROCESS ANNALS OF MATHEMATICAL STATISTICS, 1958, 29 (02): : 585 - 588
- [6] MULTIVARIATE LINEAR-HYPOTHESIS WITH UNKNOWN COVARIANCE-MATRIX ANNALS OF MATHEMATICAL STATISTICS, 1963, 34 (01): : 356 - +