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 absolutely continuous spectrum of self-adjoint extensions
Y1  - 1995
ER  -