1 Step Forward, 2 Steps Back

Cette œuvre est protégée sous licence Creative Commons Attribution - Partage dans les Mêmes Conditions 4.0 International.

The copyright notice is CC BY SA. 

This license lets others remix, tweak, and build upon your work even for commercial purposes, as long as they credit you and license their new creations under the identical terms. All new works based on yours will carry the same license. Thus any derivatives will also allow commercial use. For example, if someone translates your article into French, the French version of the article will also have to be shared under a CC BY SA license.