HarmonicFuncions

pearl page

www.pearltrees.com/s243a/harmonic-functions/id11450924

freenet (sone)

127.0.0.1:8888/Sone/imageBrowser.html?image=0b179ed8-8939...

freenet (SSK)

127.0.0.1:8888/SSK@i-Nl1F7nk~h3~79GqFk~8mQJb53~r1jGMgKH9s...

mind42 (math)

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

Done