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.
Stokes patch.svg en Illustrates the Stokes's theorem de Illustriert den Satz von Stokes own Krishnavedala validSVG HandSVG cczero Uploaded with Stokes' theorem
Page 2023 Free-images.com. All images are Public Domain