Piccolbo
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MathSciNet ids
editMay I ask why you removed the MathSciNet ids from the Practical number article? They are useful information: they provide links for anyone with a subscription to MathSciNet (which is, anyone willing to walk into the library of any public university) to see a review of the article. Your other edits to the article were constructive, so I assume you must have had some constructive purpose in mind but I don't understand what it was. —David Eppstein 16:51, 29 April 2007 (UTC)
I have no clue how that happened. I was just removing the expression 4=3+1 which is irrelevant to 12 being a perfect number (4 is a divisor). I will work to restore the MathSciNet ids if that hasn't been done yet.