On the average order of the functionE(x) = sumlimits_{n leqslant x} {phi (n) - frac{{3x^2 }}{{pi ^2 }}} |
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Authors: | D. Suryanarayana R. Sitaramachandra Rao |
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Affiliation: | 1. Department of Mathematics, Andhra University, Waltair, India
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