@Misc{ 
  A.MMor6,
  author = { A. M. Vinogradov,  and Moreno, G. },
  title = { Domains in Infinite Jets: C-Spectral Sequence },
  journal = {  },
  year = { 2006 },
  pages = {  },
  URL = { https://gecogedi.dimai.unifi.it/paper/394/ },
  note = { cvgmt preprint}
}