@article{6073,
  author = {A. Mamaev and M. Saffman and A. Zozulya},
  title = {Decay of High Order Optical Vortices in Anisotropic Nonlinear Optical Media},
  year = {1997},
  journal = {Physical Review Letters},
  volume = {78},
  pages = {2108-2111},
  month = {Jan-03-1997},
  issn = {0031-9007},
  url = {http://link.aps.org/doi/10.1103/PhysRevLett.78.2108},
  doi = {10.1103/PhysRevLett.78.2108},
}