1. Expansions in Eigenfunctions of Selfadjoint Operators;Berezanskii,1968
2. Cyclic operators, commutators and absolutely continuous measures;Dombrowski;Proc. Amer. Math. Soc.,1987
3. Eigenvalues and spectral gaps related to periodic perturbations of Jacobi matrices;Dombrowski;Oper. Theory Adv. Appl.,2004
4. Jacobi matrices: eigenvalues and spectral gaps;Dombrowski;Oper. Theory Adv. Appl.,2009
5. Spectral gaps resulting from periodic perturbations of a class of Jacobi operators;Dombrowski;Constr. Approx.,2004