@Article{Berkhin05asurvey,
  author = {Berkhin, Pavel},
  title  = {A survey on pagerank computing},
  journal = {Internet Mathematics},
  year   = {2005},
  number = {},
  url    = {http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.102.2294},

  const  = {\ text}
}