• Números negativos en los siglos XVIII y XIX: fenomenología y representaciones 

      Rico Romero, Luis; Maz-Machado, Alexander (Universidad de Almería, Servicio de Publicaciones, 2009)
      In this article is displayed a categorisation on the phenomena and the representations used to introduce the negative numbers in mathematics books published in Spain during the XVIIIth and XIXth centuries. Through a content ...