Voir la notice de l'article provenant de la source Annales Mathematica et Informaticae website
@article{AMI_2013_41_a5, author = {Heiko Harborth}, title = {On h-perfect numbers}, journal = {Annales mathematicae et informaticae}, pages = {57--62}, publisher = {mathdoc}, volume = {41}, year = {2013}, language = {en}, url = {http://geodesic.mathdoc.fr/item/AMI_2013_41_a5/} }
Heiko Harborth. On h-perfect numbers. Annales mathematicae et informaticae, Tome 41 (2013), pp. 57-62. http://geodesic.mathdoc.fr/item/AMI_2013_41_a5/