Integer as Sum of 5 Non-Zero Squares/Mistake

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Source Work

1997: David Wells: Curious and Interesting Numbers (2nd ed.):

The Dictionary


Any integer greater than $33$ can be written as the sum of $5$ non-zero squares. [ Jackson, Masat, Mitchell, MM v61 41 ]

The reference is incorrect.

It refers to Mathematics Magazine, volume $61$, page $41$.

The actual article itself is on page $41$ of volume $66$, not $61$.