@book{lamport1994latex,
  title={{\LaTeX}: a document preparation system: user's guide and reference manual},
  author={Lamport, Leslie},
  year={1994},
  publisher={{A}ddison--{W}esley},
}

@article{arxiv,
    title={An interesting result in nonsmooth analysis},
    author={Author, Anne and Coauthor, Carl},
    journal={arXiv},
    year={2019},
    eprinttype={arxiv},
    eprint={1903.00001},
    version={1}
}

@article{HAL,
    title={Another interesting result in nonsmooth analysis},
    author={Author, Anne and Coauthor, Carl},
    journal={HAL},
    year={2019},
    eprinttype={hal},
    eprint={00000001},
    version={1}
}