Instability of two-dimensional solitons and vortices in defocusing media.

@article{Kuznetsov1995InstabilityOT,
  title={Instability of two-dimensional solitons and vortices in defocusing media.},
  author={Kuznetsov and J Rasmussen},
  journal={Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics},
  year={1995},
  volume={51 5},
  pages={4479-4484}
}