@article{1077466013,
author = {Bellman, Richard and Shapiro, Harold N.},
title = {The distribution of squarefree integers in small intervals},
journal = {Duke Math. J.},
volume = {21},
number = {1},
year = {1954},
pages = { 629-637},
language = {en},
url = {http://dml.mathdoc.fr/item/1077466013}
}
Bellman, Richard; Shapiro, Harold N. The distribution of squarefree integers in small intervals. Duke Math. J., Tome 21 (1954) no. 1, pp. 629-637. http://gdmltest.u-ga.fr/item/1077466013/