@article{Delduc:2002hE,
  author = "Delduc, F.  and  Sorin, Alexander S.",
  title = "{Recursion operators of the N=2 supersymmetric  unconstrained matrix GNLS hierarchies}",
  doi = "10.22323/1.008.0044",
  journal = "PoS",
  year = 2002,
  volume = "unesp2002",
  pages = "044"
}