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Is there any online reference on the h-principle?

A search engine search gives Springer's encyclopedia. But for more than a quick overview, consult the books. Spaetzle ( talk) 15:10, 27 April 2015 (UTC) reply

This article has a badge saying that it needed attention by an expert. No problem was specified by the person who put that badge there. Everything looks fine to me. May I remove the badge? Spaetzle ( talk) 14:58, 22 September 2015 (UTC) reply