@article{SokolovaKovalevMayer2012,
  author    = {Elena Sokolova and Alexander Kovalev and Andreas Mayer},
  title     = {Second-order nonlinearity of wedge acoustic waves in anisotropic media},
  series   = {Wave motion : an international journal reporting research on wave phenomena},
  volume    = {50},
  number    = {2},
  issn      = {0165-2125},
  doi       = {10.1016/j.wavemoti.2012.08.014},
  pages     = {246 -- 252},
  year      = {2012},
  abstract  = {Guided acoustic waves localised at the apex of an infinite elastic wedge are influenced by second-order nonlinearity. This gives rise to a nonlinear term in the integro-differential equation describing waveform evolution at the apex of the wedge.},
  language  = {en}
}