@article{1992-moree
,author={Pieter Moree}
,ISSN={0025--2611}
,journal={Manuscripta Mathematica}
,MR={93h:11127}
,pages={437--450}
,title={{An interval result for the number field $\psi(x,y)$ function}}
,volume={76}
,year={1992}
}