@article{11311_999083,
  author    = {Ferrari, Fabio and Lavagna, Michèle},
  title     = {Suitable configurations for triangular formation flying about collinear libration points under the circular and elliptic restricted three-body problems},
  year      = {2018},
  doi       = {10.1016/j.actaastro.2016.08.011},
  journal   = {ACTA ASTRONAUTICA},
  volume    = {147},
  pages     = {374--382},
}