BibTex format
@article{Graefe:2013:45/455201,
author = {Graefe, E-M and Liverani, C},
doi = {45/455201},
journal = {JOURNAL OF PHYSICS A-MATHEMATICAL AND THEORETICAL},
title = {Mean-field approximation for a Bose-Hubbard dimer with complex interaction strength},
url = {http://dx.doi.org/10.1088/1751-8113/46/45/455201},
volume = {46},
year = {2013}
}