1. [1] S. K. Berberian, Introduction to Hilbert Space, Oxford University Press, 1961.
2. [2] F. Ayres Jr., Matrices, Schaum Pub. Co. (Mc Graw Hill), 1962.
3. [3] G. E. Shilov, Linear Algebra, Dover Publications Inc. (New York), 1971.
4. [4] H. Schneider, G. Ph. Barker, Matrices and Linear Algebra, Dover Publications Inc. (New York), 1989.
5. [5] P. O. Löwdin, Linear Algebra for Quantum Theory, J. Wiley & Sons, 1998.