EXNER, Pavel; BARSEGHYAN, Diana. Spectral Analysis of Schrödinger Operators with Unusual Semiclassical Behavior. Acta Polytechnica, Prague, Czech Republic, v. 53, n. 3, 2013. DOI: 10.14311/1801. Disponível em: https://ojs.cvut.cz/ojs/index.php/ap/article/view/1801. Acesso em: 8 apr. 2025.