@article{HM15,
  author   = {M.~Herrmann and K.~Matthies},
  title    = {Asymptotic formulas for solitary waves 
	      in the high-energy limit of {FPU}-type chains },
  journal  = {Nonlinearity},
  volume   = {28},
  number   = {8},
  pages    = {2767-2789},
  year     = {2015},
  doi    = {10.1088/0951-7715/28/8/2767}
}