1.
Singular Perturbations of Differential Operators Solvable Schrodinger Type Operators
by Albeverio, S., Kurasov, P.
ISBN: 9780521779128
List Price: $84.00
2.
Spectral Methods For Operators Of Mathematical Physics
by Janas, J., Kurasov, P., Nab...
ISBN: 9783764371333
List Price: $149.00