Сигма-функция (теория на числата) (Bulgarian Wikipedia)

Analysis of information sources in references of the Wikipedia article "Сигма-функция (теория на числата)" in Bulgarian language version.

refsWebsite

Global rank Bulgarian rank

459^th place

406^th place

umich.edu

math.lsa.umich.edu

Lagarias J. C, An elementary problem equivalent to the Riemann hypothesis, Amer. Math. Monthly, 109 (2002), стр.534 – 543, (в диг. форм. постскрипт)