@article{1951-debruijn-2
,author={Nicolaas G. de Bruijn}
,ISSN={0019--5839}
,journal={Journal of the Indian Mathematical Society}
,MR={13,326f}
,pages={25--32}
,title={{The asymptotic behaviour of a function occurring in the theory of primes}}
,volume={15}
,year={1951}
}