@article{05686973, title = {On multiplicative magic squares.}, journal = {The Electronic Journal of Combinatorics [electronic only]}, volume = {17}, year = {2010}, zbl = {1219.11146}, language = {en}, url = {http://dml.mathdoc.fr/item/05686973} }
Cilleruelo, Javier; Luca, Florian. On multiplicative magic squares.. The Electronic Journal of Combinatorics [electronic only], Tome 17 (2010) . http://gdmltest.u-ga.fr/item/05686973/