@article{bwmeta1.element.bwnjournal-article-doi-10_4064-cm122-1-10, author = {Paul Pollack}, title = {Powerful amicable numbers}, journal = {Colloquium Mathematicae}, volume = {122}, year = {2011}, pages = {103-123}, zbl = {1246.11014}, language = {en}, url = {http://dml.mathdoc.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm122-1-10} }
Paul Pollack. Powerful amicable numbers. Colloquium Mathematicae, Tome 122 (2011) pp. 103-123. http://gdmltest.u-ga.fr/item/bwmeta1.element.bwnjournal-article-doi-10_4064-cm122-1-10/