LaplacianEquaion

pearlpage

www.pearltrees.com/s243a/laplacian-equations/id11460377

freenet (sone)

127.0.0.1:8888/Sone/imageBrowser.html?image=fe0b9db0-9270...

freenet (SSK)

127.0.0.1:8888/SSK@mkD1A8uK9jALWI0QaqHp~jFjcdxZiBuupq9tFi...

mind42 (math)

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

Done