@Misc{BVMC:239282,
author = {Poy i Comes, Manuel},
title = {Llave aritmética y algebraica},
publisher = {Alacant : Biblioteca Virtual Miguel de Cervantes, 2001},
year = {2001},
url = {https://www.cervantesvirtual.com/nd/ark:/59851/bmcb8566}
}