@online{item28,
title = {What are some of the most ridiculous proofs in mathematics?},
author = {Anonymous},
url = {http://www.quora.com/Mathematics/What-are-some-of-the-most-ridiculous-proofs-in-mathematics},
urldate = {2013-02-17},
abstract = {},
comment = {},
year = 2012,
collections = {The act of doing maths,About proof}
}