Geodesic
On the product sets of rational numbers
Informatics and Automation, Analytic and combinatorial number theory, Tome 296 (2017), pp. 252-259.

Voir la notice de l'article provenant de la source Math-Net.Ru

A new lower bound on the size of product sets of rational numbers is obtained. An upper estimate for the multiplicative energy of two sets of rational numbers is also found. 
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Yu. N. Shteinikov. On the product sets of rational numbers. Informatics and Automation, Analytic and combinatorial number theory, Tome 296 (2017), pp. 252-259. http://geodesic.mathdoc.fr/item/TRSPY_2017_296_a18/

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