@article{TurukinaPikovskij2011,
  author    = {L. V. Turukina and Arkadij Pikovskij},
  title     = {Hyperbolic chaos in a system of resonantly coupled weakly nonlinear oscillators},
  journal   = {Modern physics letters : A, Particles and fields, gravitation, cosmology, nuclear physics},
  volume    = {375},
  number    = {11},
  pages     = {1407 -- 1411},
  doi       = {10.1016/j.physleta.2011.02.017},
  year      = {2011},
}