Dunford, Nelson
Linear operators part 2: spectral theory, self adjoint operators in Hilbert space
John Wiley & Sons, 1963
Buku Teks
Kubrusly, Carlos S.
Spectral theory of operators on hilbert spaces
Springer, 2012
eBooks
Akhiezer, N.I.
Theory of linear operators in Hilbert space /N.I. Akhiezer and I.M. Glazman ; translated from the Russian by Merlynd Nestell.
Frederick Ungar Publishing Co, 1963
Buku Teks
Dowson, H.R.
Spectral theory of linear operators
Academic Press, 1978
Buku Teks
Muller-Pfeiffer, Erich
Spectral theory of ordinary differentials operators
Ellis Horwood, 1981
Buku Teks