41 Approximations and expansions
By Adhemar Bultheel
4 / Mar / 2017
By Adhemar Bultheel
24 / Jan / 2013
By Anonymous (not verified)
21 / Oct / 2011
By Anonymous (not verified)
21 / Oct / 2011
By Anonymous (not verified)
6 / Jun / 2011
By Anonymous (not verified)
30 / May / 2011
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