@article{1962-rosser ,note={URL: {\tt http://cr.yp.to/\allowbreak bib/\allowbreak entries.html\#\allowbreak 1962/\allowbreak rosser}} ,author={J. Barkley Rosser and Lowell Schoenfeld} ,ISSN={0019--2082} ,journal={Illinois Journal of Mathematics} ,MR={25:1139} ,pages={64--94} ,title={{Approximate formulas for some functions of prime numbers}} ,volume={6} ,year={1962} }