1. [1] Amrein, W.; Boutet de Monvel, A.; Georgescu, V. C 0 -groups, commutator methods, and spectral theory of N-body Hamiltonians, Birkhäuser Verlag, 1996
2. Spectral and scattering theory for the adiabatic oscillator and related potentials;['Ben-Artzi, M.', 'Devinatz, A.'];Journal of Mathematical Physics,1979
3. Boundary Values of the Resolvent of a Self-Adjoint Operator: Higher Order Estimates;['Boutet de Monvel, A.', 'Georgescu, V.'];Algebraic and Geometric Methods in Mathematical Physics,1993
4. [4] Boutet de Monvel, A.; Georgescu, V.; Sahbani, J. Higher Order Estimates in the Conjugate Operator Theory (1997) (see https://www.ma.utexas.edu/mp_arc/index-97.html)
5. Spectral and scattering theory for a class of strongly oscillating potentials;['Combescure, M.'];Communications in Mathematical Physics,1980