@article{8b47aed4806d42e7abef890dcaed9ff9,
title = "Spectral gaps resulting from periodic perturbations of a class of Jacobi operators",
keywords = "Absolutely continuous spectrum, Essential spectrum, Jacobi matrix, Orthogonal polynomials, Periodic perturbation, Point spectrum, Spectral gap, Weighted shift",
author = "J. Dombrowski and J. Janas and M. Moszy{\'n}ski and S. Pedersen",
year = "2004",
doi = "10.1007/s00365-003-0544-3",
language = "English",
volume = "20",
pages = "585--601",
journal = "Constructive Approximation",
issn = "0176-4276",
number = "4",
}