1. Achievable spectral radii of symplectic Perron–Frobenius matrices;Ackermann;New York J. Math.,2011
2. A theorem on reciprocal polynomials with applications to permutations and compositions;Andrews;Amer. Math. Monthly,1975
3. Functional Analysis;Bachman,1966
4. Analytic Perturbation Theory for Matrices and Operators;Baumgärtel,1985
5. Lectures in Functional Analysis and Operator Theory;Berberian,1974