@article{813681,
  author = {Jean Zinn-Justin and U Jentschura},
  title = {Multiinstantons and Exact Results I: Conjectures, WKB Expansions, and Instanton Interactions},
  year = {2004},
  number = {313},
  month = {2004-09-01 00:09:00},
  publisher = {Annals of Physics},
  language = {en},
}