Boscaggin A, Fonda A, Garrione M. An infinite-dimensional version of the Poincaré-Birkhoff theorem on the Hilbert cube . Annali Scienze [Internet]. 2020May19 [cited 2026May25];20(2):751-70. Available from: https://journals-dev.sns.it/index.php/annaliscienze/article/view/693