S. Al-Ani

Power Comparisons of Tests of Equality of Two Covariance Matrices Based on Individual Characteristic Roots

K. Pillai, S. Al-Ani, 1970 .

On the Noncentral Distributions of the Second Largest Roots of Three Matrices in Multivariate Analysis

S. Al-Ani, 1970, Canadian Mathematical Bulletin.

On the Distributions of the Ratios of the Roots of a Covariance Matrix and Wilks' Criterion for Tests of Three Hypotheses

K. Pillai, K. C. S. Pillai, S. Al-Ani, 1969 .