@article{iscompletenessnecessaryestimationin,
  title = {Is completeness necessary? Estimation in nonidentified linear models},
  author = {Andrii Babii and Jean-Pierre Florens},
  year = {2017},
  eprint = {1709.03473},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/1709.03473v5},
}