@article{bwmeta1.element.bwnjournal-article-aav49i4p313bwm,
author = {Balasubramanian, R. and Ramachandra, K.},
title = {On the number of integers n such that nd(n) $\leq$ x},
journal = {Acta Arithmetica},
volume = {50},
year = {1988},
pages = {313-322},
zbl = {0588.10046},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-aav49i4p313bwm}
}
Balasubramanian, R.; Ramachandra, K. On the number of integers n such that nd(n) ≤ x. Acta Arithmetica, Tome 50 (1988) pp. 313-322. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-aav49i4p313bwm/