KABATAŞ, A. Eigenfunction and Green’s function asymptotics for Hill’s equation with symmetric single well potential. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 74, n. 2, p. 191–203, 2022. DOI: 10.37863/umzh.v74i2.6246. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/6246. Acesso em: 5 dec. 2025.