@article{03993675,
title = {The power of powerful numbers.},
journal = {International Journal of Mathematics and Mathematical Sciences},
volume = {10},
year = {1987},
pages = {125-130},
doi = {10.1155/S0161171287000152},
zbl = {0614.10012},
language = {en},
url = {http://dml.mathdoc.fr/item/03993675}
}
Mollin, R.A. The power of powerful numbers.. International Journal of Mathematics and Mathematical Sciences, Tome 10 (1987) pp. 125-130. doi : 10.1155/S0161171287000152. http://gdmltest.u-ga.fr/item/03993675/