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This article has been reviewed by Nature on December 14, 2005. Comments: It was found to have 19 errors, all of which have since been fixed.
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Not done: Do you have a reliable source indicating that his death was on 20 January? /wia/tlk 01:14, 11 December 2015 (UTC)
Basically the reason for confusion is that Russia at that time used Julian Calendar, and 2 February of Gregorian Calendar is 20 January Julian Calendar. Thus, many sources give 20 January without specifying the calendar. We give Julian dates of birth and death in the lead, I think it is enough. Alex Bakharev (talk) 00:47, 3 January 2016 (UTC)
The text states, "... which are either of nearly the same value." This is obviously a typo, but I cannot guess what it should be. Does anyone have access to the source to correct this statement, or rephrase it so it makes sense to mortals? Grammar'sLittleHelper (talk) 22:10, 2 January 2016 (UTC)
I tried to make the text more readable, is it better now? Alex Bakharev (talk) 00:38, 3 January 2016 (UTC)