Alcántara Bode, Julio. «Reorderings of Series in Banach Spaces and Some Problems in Number Theory». Pro Mathematica 16, no. 31-32 (febrero 11, 2002): 97.105. Accedido diciembre 23, 2025. https://revistas.pucp.edu.pe/index.php/promathematica/article/view/8185.