On the upper bound for $\pi _{2}(x)$

Wydawnictwa / Czasopisma IMPAN / Acta Arithmetica / Wszystkie zeszyty

Yingchun Cai, Minggao Lu Acta Arithmetica 110 (2003), 275-298 MSC: 11N36. DOI: 10.4064/aa110-3-6

Yingchun CaiInstitute of Mathematics
Tongji University
Shanghai 200092, P.R. China
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Minggao LuDepartment of Mathematics
Shanghai University
Shanghai 200436, P.R. China
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