DO, T. D.; TRUONG, L. X. Spectral asymptotics for generalized Schrödinger operators. Annales Fennici Mathematici, [S. l.], v. 48, n. 2, p. 703–727, 2023. DOI: 10.54330/afm.140863. Disponível em: https://afm.journal.fi/article/view/140863. Acesso em: 21 maj. 2024.