1. Spectral Approximation of Linear Operators;Chatelin,1983
2. Spectral Computations for Bounded Operators;Ahues,2001
3. G. Nelakanti, Spectral approximation for integral operators, Ph.D. Thesis, Indian Insitute of Technology, Bombay, India, 2003.
4. A degenerate kernel method for eigenvalue problems of compact integral operators;Nelakanti;Adv. Comput. Math.,2007
5. Spectral approximation for compact operators;Osborn;Math. Comp.,1975