Some text: Il s'y imposera, comme l'une des figures essentielles, tant par ses uvres personnelles pluridisciplinaires que par ses actions de propagation.

Translate to English.
Translation: He soon became one of the central figures of Lettrism, both through his personal art works in many disciplines and through his activism on behalf of the movement.
Some text: Remboursement partiel de la taxe de publication uniquement en cas de retrait demande avant que les travaux en vue de la publication ne soient termines.

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Translation: Partial repayment of the publication fee only in the case of withdrawal requested before the work on publication has been completed.
Some text: Detection automatique des liens hypertextes et des adresses email dans tous les documents.

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Translation:
Hypertext links and e-mail addresses are detected automatically in all documents.