Integral

pearlpage

www.pearltrees.com/s243a/integral/id10676595

freenet (sone)

127.0.0.1:8888/Sone/imageBrowser.html?image=4873d859-71d6...

freenet (SSK)

127.0.0.1:8888/SSK@bs2wq7d4tLr3yoMEJ9YmxssdZKlRknCT-Gdg2o...

mind42 (math)

mind42.com/public/4030233f-fc02-4cdf-8a0f-8c9fb5b453a8

Done