@article{MulanskyPikovskij2012,
  author    = {Mario Mulansky and Arkadij Pikovskij},
  title     = {Scaling properties of energy spreading in nonlinear Hamiltonian two-dimensional lattices},
  journal   = {Physical review : E, Statistical, nonlinear and soft matter physics},
  volume    = {86},
  number    = {5},
  doi       = {10.1103/PhysRevE.86.056214},
  year      = {2012},
}