Désolé, je n'ai pas trouvé d'image de meilleure qualité

Lowvetica  Suggested by SashiX 

try this one (mix upper and lower case letters)

Although this font is really ressembling to the searched font, this is not the true typeface of the "Tout est possible" logo. The "a" and the "r" are the most visible differences as shown by this cap.