Gómez-Sánchez A., Luis2017-09-252017-09-252002http://revistas.pucp.edu.pe/index.php/promathematica/article/view/8186/8482El artículo no presenta resumenA characterization of the natural numbers which are sum of two cubes of rationals is given. It is obtained into the realm of quadratic fields.application/pdfspainfo:eu-repo/semantics/openAccesshttp://creativecommons.org/licenses/by/4.0Teoría de los NúmerosCuádricasMatemáticasinfo:eu-repo/semantics/articlehttps://purl.org/pe-repo/ocde/ford#1.01.00