BRÄUNLICH, G.; HAIZL, C.; SEIRINGER, R. On contact interactions as limits of short-range potentials. Methods of Functional Analysis and Topology, [S. l.], v. 19, n. 4, p. 364–375, 2013. Disponível em: https://zen.imath.kiev.ua/index.php/mfat/article/view/559. Acesso em: 16 dec. 2025.