EXNER, P.; BARSEGHYAN, D. Spectral Analysis of Schrödinger Operators with Unusual Semiclassical Behavior. Acta Polytechnica, [S. l.], v. 53, n. 3, 2013. DOI: 10.14311/1801. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/1801. Acesso em: 20 may. 2024.