<https://univertis.com/trucs-et-astuces/javascrit-prefixer-un-zero-au-jour-et-mois/#primaryimage>
<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>
<https://univertis.com/trucs-et-astuces/javascrit-prefixer-un-zero-au-jour-et-mois/>