Propos introductifs

http://api.archives-ouvertes.fr/search/?fq=halId_s:hal-04567813&fl=title_s,en_title_s,docid,label_s,en_label_s,docType_s,authIdHal_s,halId_s,structId_i,uri_s,keyword_s,en_keyword_s,authLastNameFirstName_s,journalTitle_s,abstract_s,en_abstract_s,producedDate_tdate,producedDateY_i,language_s,fileMain_s&sort=publicationDate_s+desc