@incollection{publications31834,
           month = {November},
          author = {Mathieu Carpentier},
          series = {Law and Philosophy Library},
       booktitle = {Legal Validity and Soft Law},
           title = {Sources and Validity},
       publisher = {Springer},
           pages = {75--97},
            year = {2018},
             url = {https://publications.ut-capitole.fr/id/eprint/31834/}
}