Cita APA (7a ed.)

Friedrichs, K. (1973). Spectral Theory of Operators in Hilbert Space. Springer.

Cita Chicago Style (17a ed.)

Friedrichs, K.O. Spectral Theory of Operators in Hilbert Space. Berlin: Springer, 1973.

Cita MLA (8a ed.)

Friedrichs, K.O. Spectral Theory of Operators in Hilbert Space. Springer, 1973.