MLA

Schmüdgen, Konrad. Unbounded Self-adjoint Operators On Hilbert Space. Springer Netherlands, 2012.

APA

Schmüdgen, K. (2012). Unbounded Self-adjoint Operators on Hilbert Space. Springer Netherlands.

Chicago

Schmüdgen, Konrad Unbounded Self-Adjoint Operators On Hilbert Space. : Springer Netherlands, 2012.