GIRDZIJAUSKAS, Stasys; MOSKALIOVA, Vera. Models of Financial Pyramids. Ekonomika, [S. l.], v. 64, p. 37–48, 2003. DOI: 10.15388/Ekon.2003.17322. Disponível em: https://journals.vu.lt./ekonomika/article/view/17322. Acesso em: 27 apr. 2025.