Dowson, H.R.
Spectral theory of linear operators
Academic Press, 1978
 Buku Teks
Schmüdgen, Konrad
Unbounded self-adjoint operators on Hilbert space
Springer, 2012
 eBooks
Muller-Pfeiffer, Erich
Spectral theory of ordinary differentials operators
Ellis Horwood, 1981
 Buku Teks
Ball, Joseph A., editor
Recent progress in operator theory and its applications
[Springer, ], 2012
 eBooks
Johnson, F.E.A.
Syzygies and homotopy theory
[Springer, ], 2012
 eBooks