This image was acquired from
wikimedia. It was marked as Public Domain or CC0 and is free to use. To verify, go to the source and check the information there.
Keywords from Image Description:
Gammakurve.svg en This is vectorization of that work org Gammakurve already in public domain Created with Inkscape in SVG Now you can zoom on it without lost quality You also can select the text and modify it easily fr Ceci est une vectorisation de ce travail org Gammakurve d'ores et dj dans le domaine public Cr avec Inkscape