@Misc{BVMC:235652,
author = {Signes Mengual, Miguel},
title = {El bonito juego de los números},
publisher = {Alicante : Biblioteca Virtual Miguel de Cervantes, 2007},
year = {2007},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmc2j6t2}
}