F.__Gesztesy
Absolute summability of the trace relation for certain Schrodinger operators
Commutation methods for Jacobi operators
Higher order trace relations for Schrodinger operators
Isospectral deformations for Sturm-Liouville and Dirac-type operators and associated nonlinear evolution equations, Rep
On isospectral sets of Jacobi operators
On the double commutation method
One-dimensional scattering theory for quantum systems with nontrivial spatial asymptotics
The KdV hierarchy and associated trace formulas
The xi function