1. Solvable Models in Quantum Mechanics;Albeverio,1988
2. Lippmann–Schwinger equation for singularly perturbed operators;Albeverio;Methods Funct. Anal. Topology,1997
3. Square power of singularly perturbed operators;Albeverio;Math. Nachr.,1995
4. S. Albeverio, and, V. Koshmanenko, Singular rank one perturbations of self-adjoint operators and Krein theory of self-adjoint extensions, Potential Anal, in press.
5. Rank one perturbations, approximations and self-adjoint extensions;Albeverio;J. Funct. Anal.,1997