@article{Cao Long:2001,
  author  = "V. Cao Long and M. Trippenbach",
  title   = "New optical solitary waves in the higher order nonlinear Schrödinger equation",
  journal = "Zeszyty Naukowe Politechniki Zielonogórskiej : Fizyka",
  volume  = "nr 126",
  number  = "9",
  pages   = "19--28",
  year    = "2001",
  note    = "Wydaw. PZ, Zielona Góra",
}