TY  - JOUR
A1  - Brasche, Johannes F.
A1  - Neidhardt, Hagen
T1  - On the point spectrum of selfadjoint extensions
Y1  - 1995
ER  - 
TY  - JOUR
A1  - Brasche, Johannes F.
A1  - Neidhardt, Hagen
T1  - On the singular continuous spectrum of self-adjoint extensions
Y1  - 1996
ER  - 
TY  - JOUR
A1  - Brasche, Johannes F.
A1  - Neidhardt, Hagen
T1  - On the absolutely continuous spectrum of self-adjoint extensions
Y1  - 1995
ER  - 
TY  - JOUR
A1  - Albeverio, Sergio
A1  - Brasche, Johannes F.
A1  - Neidhardt, Hagen
T1  - On inverse spectral theory: mixed types of spectra.
Y1  - 1998
ER  - 
TY  - JOUR
A1  - Brasche, Johannes F.
A1  - Neidhardt, Hagen
T1  - Some remarks to Krein's extension theory
Y1  - 1994
ER  - 
TY  - JOUR
A1  - Brasche, Johannes F.
A1  - Koshmanenko, V. D.
A1  - Neidhardt, Hagen
T1  - Some new aspects of Krein's extension theory
Y1  - 1994
ER  -