@Article{Soffer+Weinstein1992,
  author = 	 {A. Soffer and M. I. Weinstein},
  title = 	 {Multichannel nonlinear scattering for nonintegrable equations {II}. {T}he case of anisotropic potentials and data},
  journal = 	 {J. Differential Equations},
  year = 	 {1992},
  volume = 	 {98},
  number = 	 {2},
  pages = 	 {376--390},
}

@Article{Frohlich+Tsai+Yau2002,
  author = 	 {J. Fr\"{o}lich and T.-P. Tsai and H.-T. Yau},
  title = 	 {On the point-particle (Newtonian limit of the non-linear Hartree equation.},
  journal = 	 {Comm. Math. Phys.},
  year = 	 {2002},
  volume = 	 {225},
  number = 	 {2},
  pages = 	 {223--274},
}

@Book{Cazenave1993,
  author = 	 {Thierry Cazenave},
  title = 	 {An introducion to nonlinear {S}chr\"{o}dinger equations},
  publisher = 	 {Instituto de Matematica - UFRJ, Rio de Janeiro, RJ},
  year = 	 {1993},
  edition = 	 {Second},
}