Dȩbowska K.; NIZHNIK, I. Spectral analysis of self-adjoint momentum operators with nonlocal potentials. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 77, n. 12, p. 715–742, 2025. DOI: 10.3842/umzh.v77i12.9415. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/9415. Acesso em: 5 dec. 2025.