A problem of D. H. Lehmer and its mean v
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Zhefeng Xu; Wenpeng Zhang
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Article
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2008
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John Wiley and Sons
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English
β 135 KB
## Abstract Let __p__ be an odd prime and let __a__ be an integer coprime to __p__. Denote by __N__ (__a__, __p__) the number of pairs of integers __b__, __c__ with __bc β‘ a__ (mod __p__), 1 β€ __b__, __c__ < __p__ and with __b__, __c__ having different parity. The main purpose of this paper is to d