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arXiv:1705.03011 [math.NT]AbstractReferencesReviewsResources

An Elementary Proof for Ljunggren Equation

Zhengjun Cao, Lihua Liu

Published 2017-05-08Version 1

We present an elementary proof for equation $1+x^2=2y^4$.

Comments: 2 pages
Categories: math.NT
Subjects: 11Dxx
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