@article{937643,
      author = {Andrei, Neculai.},
      url = {http://library.usi.edu/record/937643},
      title = {Nonlinear conjugate gradient methods for unconstrained  optimization /},
      publisher = {Springer,},
      recid = {937643},
      pages = {1 online resource},
      address = {Cham :},
      year = {2020},
}