MACÍAS VIRGÓS, E. El mundo matemático digital: el proyecto WDML (World Digital Mathematics Library). Arbor, [S. l.], v. 183, n. 725, p. 433–443, 2007. DOI: 10.3989/arbor.2007.i725.116. Disponível em: https://arbor.revistas.csic.es/index.php/arbor/article/view/116. Acesso em: 20 abr. 2024.