HE, Yitong. Beyond Polya’S Random Walk Theorem. Highlights in Science, Engineering and Technology, [S. l.], v. 88, p. 149–155, 2024. DOI: 10.54097/jw2bp960. Disponível em: https://drpress.org/ojs/index.php/HSET/article/view/18790. Acesso em: 17 may. 2026.