\bib{1987/lagarias}
\yr 1987
\mr 88k:11095
\by Jeffrey C. Lagarias
\by Andrew M. Odlyzko
\paper Computing $\pi(x)$: an analytic method
\jour Journal of Algorithms
\issn 0196--6774
\vol 8
\pages 173--191
\url http://www.dtc.umn.edu/~odlyzko/doc/algorithms.html
\endref