@article{BraakZhangKollar2014,
  author    = {Daniel Braak and J. M. Zhang and Marcus Kollar},
  title     = {Integrability and weak diffraction in a two-particle Bose-Hubbard model},
  journal   = {Journal of Physics A: Mathematical and Theoretical},
  volume    = {47},
  number    = {46},
  pages     = {465303},
  doi       = {10.1088/1751-8113/47/46/465303},
  year      = {2014},
}