@article{2d6aace78f3e4608838fba7115d67d0a,
title = "Momentum Operators in Two Intervals: Spectra and Phase Transition",
keywords = "Boundary values for linear first-order PDE, Deficiency indices, Fourier series, Special orthogonal functions, Spectral pairs, Spectral sets, Symmetric and selfadjoint extensions, Tilings, Unbounded operators",
author = "Jorgensen, {Palle E.T.} and Steen Pedersen and Feng Tian",
year = "2013",
month = dec,
doi = "10.1007/s11785-012-0234-x",
language = "English",
volume = "7",
pages = "1735--1773",
journal = "Complex Analysis and Operator Theory",
issn = "1661-8254",
number = "6",
}