@string{ipl= {Information Processing Letters}}

@Article{KP96,
  author =       {E. Koutsoupias  and  C. Papadimitriou},
  title =        {The 2-evader problem},
  journal =      ipl,
  volume =       57,
  number =       5,
  pages =        {249--252},
  month =        mar,
  year =         1996
}