MAKHMUDOVA, M. G.; KHANMAMEDOV, A. Kh. On the spectral properties of the one-dimensional Stark operator on the half-line. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 71, n. 11, p. 1579–1584, 2019. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1537. Acesso em: 5 dec. 2025.