LANGER, M.; PRUCKNER, R.; WORACEK, H. Estimates for the Weyl coefficient of a two-dimensional canonical system. ANNALI SCUOLA NORMALE SUPERIORE - CLASSE DI SCIENZE, [S. l.], v. 25, n. 4, p. 2259-2330, 2024. DOI: 10.2422/2036-2145.202106_015. Disponível em: https://journals.sns.it/index.php/annaliscienze/article/view/5921. Acesso em: 20 feb. 2026.