Skip to main content
2 events
when toggle format what by license comment
Jun 10, 2010 at 22:08 comment added Victor Protsak It's been a long time since I looked at Grosswald's book, so I may misremember this, but doesn't he look at the sums of $\textit{positive}$ squares?
Jun 10, 2010 at 15:39 history answered Rainer Schulze-Pillot CC BY-SA 2.5