@Article{ 
  Li6,
  author = { Li, Yi },
  title = {  Some results of the Marino-Vafa formula },
  journal = { Mathematical Research Letters },
  year = { 2006 },
  doi = { 10.4310/MRL.2006.v13.n6.a2 },
  volume = { 13 },
  number = { 6 },
  pages = { 847-864 },
  URL = { http://cvgmt.sns.it/paper/3290/ },
  note = { cvgmt preprint}
}