1. Unitary similarity of symmetry operators;Botta;Linear Algebra Appl.,1970
2. Disquisitiones Arithmeticae;Gauss,1965
3. The Theory of Groups;Hall,1959
4. Finite Dimensional Multilinear Algebra—Part 1;Marcus,1973
5. Permutations on symmetry classes;Marcus;J. Algebra,1967