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"On the Diophantine Equation x4 + y4 + z4 + t4 = w2."
Alejandra Alvarado, Jean-Joël Delorme (2014)
- Alejandra Alvarado, Jean-Joël Delorme:
On the Diophantine Equation x4 + y4 + z4 + t4 = w2. J. Integer Seq. 17(11): 14.11.5 (2014)

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