PRIKHODKO, O.; BIDASYUK, Y. Projected Gross–Pitaevskii Equation for Ring-Shaped Bose–Einstein Condensates. Ukrainian Journal of Physics, [S. l.], v. 66, n. 3, p. 198, 2021. DOI: 10.15407/ujpe66.3.198. Disponível em: https://ujp.bitp.kiev.ua/index.php/ujp/article/view/2020018. Acesso em: 27 nov. 2021.