ZHENG, T.; WANG, W.; YUAN, Y. Linear Model of Vortex Ring. Annals of Mathematics and Physics, [S. l.], p. 212–217, 2025. DOI: 10.17352/amp.000166. Disponível em: https://www.mathematicsgroup.com/amp/article/view/AMP-8-266. Acesso em: 26 nov. 2025.