GRINYUK, B.; BUGAEV, K. About Conditions of Spatial Collapse in an Infinite System of Bose Particles. Ukrainian Journal of Physics, [S. l.], v. 66, n. 12, p. 1024, 2021. DOI: 10.15407/ujpe66.12.1024. Disponível em: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2021374. Acesso em: 16 aug. 2022.